Release Changes

Delphix OS Fixes (Activated after optional Reboot)

Bug NumberDescription
DLPX-71339Fixed an issue that can cause the Virtualization Management service to become inaccessible when the system memory became highly fragmented.

Release Changes

Management Server Fixes

Bug NumberDescription

More details will be displayed in the error message in case DB_SYNC fail due to missing SELECT permission on database 'msdb'.


Removed unnecessary Source Continuity source-archive file system.


A meaningful error message will be displayed in case the user is missing 'VIEW ANY DEFINITION' and 'VIEW SERVER STATE' permissions on AG Instance and linking is performed.


Fixed the issue when Environment discovery fails with Internal Error when Oracle DB instance name is > 15 characters.


Added support for Read-Only Oracle homes.


Fixed a bug that causes factory reset to fail when there are provisioned VDBs.


Eliminated a virtualization management service crash caused by egregious use of memory by environment monitoring.


Enabled NFSv4 support for older RedHat NFS clients.


Fixed an issue when SCAN Listener is not discovered for Oracle 19c Cluster Environment.


Improved replication throughput by parallelizing data streams.


Fixed an issue where in some cases a VDB's Time Point would not appear.


Prevented a full snapsync after detecting an incarnation change of and reverting to a previous incarnation of an Oracle database.


Resolved the issue of intermittent failure of DB_SYNC for source database full backups containing in-memory tables which were caused due to improper merging of filestream folders.


Fixed an issue when Environment Monitor task monitors replicated entities could lead to Out of Memory.


Increased online Redo Log size when using VDB Provisioning defaults from 50mb to 1024mb.


Storage is removed even when the drop database fails, causing ASE error 823.


Linking will not fail in case a slash is used as the path delimiter on the source database.


Allowed NoLogging Diagnosis to be shown and edited for Oracle CDBs.


Fixed an issue that causes the CLI to hang when deleting an object.


Source Environment selection in Attach dSource dialog is now alphabetically sorted.


Fixed an issue where Hotfixes aren't listed until after management service restarts.


The increased timeout of script from 20 seconds to 10 minutes.


Resolved the issue where during validated sync, fault "" was caused due to backupsets with similar first and last lsn.


dSource selection in dSource Linking Wizard is now alphabetically sorted.


MSSQL server cluster address is now editable through the Environments GUI.


Gracefully handle accelerated networking on Azure.


Implemented retries with some time delay in case of a failure while switching database user mode.


Some orcl_log_info entries have a very large and incorrect end_scn (281474976710655).


Deleted users' actions should be included in the action/audit log API results.

DLPX-69863Enhanced instruction text relating to SSH when editing environment users.

Removed excessive debug logging for DSP connections which results in fast rollover of debug logs.


CLI / API calls to refresh/rewind vCDB directly should be disallowed.


RHEL 7.6 connector log shows Unidentifiable version string: RedHatEnterpriseServer 7.6.


When VDB is disabled, environment configuration can now be edited in the UI.


A wrong certificate is identified as an issuer of a self-signed certificate in rare cases.


Do not require an issuer to be present or keep the full chain intact on Truststore operations.


Permit non-CA certs in user Truststore.


Changed error message when there are no compatible installations on provisioning.


Provisioning failures due to BitLocker encryption will be identified and a proper error message will be displayed.


Fixing memory leak in hk2 library.


Password vault migration nullifies ASE linked source dump credentials.


Protection against a variant of billion laughs attack (XML entity expansion).


Added API support to revert back from static to DHCP DNS settings.


Faults reported for Oracle Home missing where the Central Inventory does not show this Oracle Home present.


Exclusively specifying 'required' parameters to discover Oracle cluster via CLI results in an exception.


Alerts & Faults are reported for hosts in a namespace that can cause Out of Memory issue.


Prevented cloning of Tiimeflow storage for Oracle source continuity.


Resolved an issue when validated sync (with full/diff) restored multiple backupsets and a restore failed with a SQL server transient issue after a source continuity reset event resulting in a state where no operations could be performed on the dSource.


"DLPX_EXECUTE_SQL_CLEANUP_RETRY" will also print nested SQL error messages in case of command failure.


Customers now have access to an API to display the Engine License information.

DLPX-61335Displayed in confirmation dialog the name of the user being deleted.

Resolved output buffer issue while identifying BitLocker encryption during provisioning on Win19.


Updated messages on the upgrade page when the operation fails.


Bumped up connector version for NET 4x installer as shipped OpenJDK version had been upgraded.

Delphix OS Fixes (Activated after optional Reboot)

Bug NumberDescription
DLPX-68995Improved performance of dataset deletion.



Improved single connection replication throughput.



Addressed an issue that causes long periods of I/O unresponsiveness.
DLPX-69953Fixed a bug that can cause a Windows iSCSI initiator to fail to connect to the Delphix Engine.
DLPX-70512Fix a hang in the I/O subsystem that can cause the Delphix Engine to become unresponsive.

Masking Fixes

Bug NumberDescription

ExecutionComponent status for unwritable files was incorrect when masking over SFTP.


Masking Engine does not re-read Kerberos config dynamically.


Upgraded tomcat to 9.0.31 or later.


loginid did not support '@' when creating connectors.

DLPX-69492MSSQL driver requires to accept permission which is not present in MDS.
DLPX-69493Execution event is not getting generated for profile job in case of missing permission.
DLPX-69762Masking Jobs, fail to save added Pre-Scripts.
DLPX-69766Masking GUI: Remove any script from masking job dialog removes both the scripts.
DLPX-69782Export/Import Environment using engine sync API.
DLPX-69780UI based Export Global Object using engine sync API.
DLPX-46853Switch from jTDS to Microsoft SQL Server JDBC driver.
DLPX-65380Masking Jobs with commit size>=340 are getting failed on Azure Managed SQL instance.
DLPX-69815Secure_shuffle algorithm fails for decimal data type using extended connector.
DLPX-69806Inventory UI is susceptible to URL based XSS attack.
DLPX-69779Mapplet's input and output fields are susceptible to XSS attack.
DLPX-69832Import Environment using sync API.
DLPX-69833UI: Import Global Object using sync API.
DLPX-69861Define Fields 'Field Name' input is susceptible to XSS attack.
DLPX-69888XSS script in file pattern is getting executed.
DLPX-69960Unable to Edit File format if the Enclosure is set to " (double quote).
DLPX-69671Delimited File Masking with delimiter inside enclosure is handled incorrectly.
DLPX-69922Inventory UI is susceptible to XSS attack using malicious column names.
DLPX-69941Error report on job monitor page is susceptible to XSS attack.
DLPX-69989dateFormat field of date algorithms is susceptible to XSS attack.
DLPX-69920Import/Upload file UI is susceptible to iframe based XSS attack, throughout the application.
DLPX-69919Redaction value input field of Free Text Redaction algorithm is vulnerable to XSS attack.
DLPX-69917Export Inventory UI is susceptible to URL based XSS attack.
DLPX-70055Masking - Inventory for oracle always picking up NUMBER (22) instead of real NUMBER definition.
DLPX-70046OTF job with decimal data type and secure shuffle algorithm is changing the last digit after the decimal point of the unmasked column in case of Hana database.
DLPX-70050CSV and XML file masking performance improvements.
DLPX-70074Copying an environment does not create a sync state.
DLPX-69851Masking jobs fail to set fetch size large enough in the input step query.
DLPX-69672Delimited File Masking and Segment Mapping is not ignoring delimiter if specified as ignore character.
DLPX-69954Delimited file masking row parsing incorrect when a field contains multiple enclosure characters and a delimiter.
DLPX-70178Delimited Files: Improve validation for delimiter and enclosure from API.
DLPX-70182Improved validation for delimiter and enclosure from GUI.
DLPX-70217"Max number of jobs" Setting on masking engine should be API accessible.
DLPX-70379For the multi-tenant job, the source connector dropdown doesn't show the connector in the list if the connector instance name contains the space in between.
DLPX-70558searchEnvironment parameter in URL is vulnerable to XSS attack.
DLPX-70557Copy Ruleset has a scale performance issue with a large number of tables/columns.
DLPX-70641Unmasked data logged in the support bundle logs when using extended connector with enable_logger functionality on.
DLPX-71016Passwordless login succeeds to ME configured for LDAP.

Release Changes

Management Server Fixes

Bug NumberDescription

Provisioning a VDB from a dSource or another VDB will fail if the following conditions are met:

  • Delphix Engine has at least one dSource and a VDB created using a Python plugin prior to the upgrade
  • Delphix Engine was upgraded to 6.0.2
  • Provisioning was attempted from the UI after the completion of the upgrade

Fixed an issue that the time point attribute of a VDB is not shown.

Delphix OS Fixes (Activated after optional Reboot)

Bug NumberDescription
DLPX-69864Fixed an issue that causes MSSQL operations to hang after the reception of an iSCSI LUN reset.

Release Changes

Management Server Fixes

Bug NumberDescription
DLPX-62806Fixed an issue where provision against PDB after unplug/replug against the same linked PDB fails with
DLPX-67567Oracle Source Continuity creates an unnecessary source-archive file system on zfs.
DLPX-27807LogSync may fall behind when connected to an Oracle physical standby database in Real-Time Apply mode.
DLPX-68385Customer provided Oracle Java missing in the search path for Java on hosts.
DLPX-62782Reducing the number of nodes for RAC VDB and VDB in NOARCHIVELOG mode may result in ORA-00258 errors during VDB enable operation.

Better error message when plugins are uploaded out of sequence. 

DLPX-68722The product now recognizes VMware with BIOS date of 12/12/2018 as VMware 6.7.0u2.
DLPX-68579SnapSync of Oracle 19c DB with encrypted tablespace fails with fatal exception "Block header 91 is not empty".
DLPX-68689Fixed the issue where a huge number of error messages from ASE caused OutOfMemory Error.
DLPX-68957Always On AG discovery will not fail in a multi-subnet environment.
DLPX-63088Can now recover multiple Self-Service containers at the same time.
DLPX-47977Improved handling of snapshot standby.
DLPX-64125SnapSync failed with on RAC clusters with very long hostnames.
DLPX-62584PDB enable failed after migration if mountBase has a trailing slash.

Virtualization can now fetch jobs from Masking engines configured with HTTP redirection.


It is no longer mandatory to have at least one enabled system administrator with local credentials.

DLPX-68167Fixed an issue where too many requests were being sent for Faults from the Datasets pages.
DLPX-69082Large stderr produced by failed rsync jobs are truncated to prevent Java OutOfMemory errors.
DLPX-58600Datasets filter updated so that all items within a group that matches the filter string are displayed, even if the items contained in the group do not match the filter string.
DLPX-65896VDB deletion failed due to the inability to delete LogSync worker.
DLPX-57903Improved diagnosability of PDB discovery issues.
DLPX-68878Fixed issue where start/stop buttons were not being displayed in the RAC instances configuration table.
DLPX-69271Enabled replication smart failover by default.
DLPX-66715The user-visible name for Oracle cluster objects is being replaced with the Oracle cluster name. For windows clusters, the user-visible name is being replaced with the cluster address.
DLPX-68929Changed default replication settings for better out of the box performance.
DLPX-68930Improved replication throughput when sending multiple timeflows.
DLPX-69245Fixed a memory leak that occurs when experiencing connectivity errors.
DLPX-69377At least one non LDAP system user should be enabled when the LDAP server is being disabled.
DLPX-68575LDAP principal fields were not being redacted in phone-home bundles.

Self Service Recover operation failed due to missing Timeflow.

Delphix OS Fixes  

Bug NumberDescription
DLPX-66808Re-introduced console splash screen with IP address and service states.

Masking Fixes

Bug NumberDescription
DLPX-65833Removed unnecessary error out on passwords being provided for file connectors using the mount mode.
DLPX-65319New API endpoint for mainframe-dataset-record-type.
DLPX-68153If creating a mapping algorithm in the Masking UI fails, the failure is now properly reported to the user.
DLPX-67882Upgrade the PostgreSQL JDBC driver to version 42.2.10.
DLPX-58184List rule sets alphabetically on the inventory page.
ES-662Added Sync support for data set connectors.
ES-664Added Sync support for mainframe data set formats
ES-671Added Sync support for Mainframe data set jobs
ES-665Added Sync support for Mainframe data set rule sets.
DLPX-68786Masking job misreported successful tables as 0 rows masked.
DLPX-67517Added support for on-the-fly jobs from a database to a delimited file.

Jobs slowed down over time - after running many jobs.

DLPX-68985A memory leak occurred for Informix/oracle database on every test connection using an extended connector.
DLPX-68780VSAM Input step performance was negatively affected by the number of unmasked fields.
DLPX-67886Sybase jConnect driver failed when a batch contains string parameters of different sizes and HOMEGENOUS_BATCH=true.
DLPX-65841Fixed an issue where a REST API call to GET /syncable-objects?object_type=MASKING_JOB would fail after environment copy.
DLPX-69156Test Connection always returned connection succeeded in case of wrong jdbc url with extended connector.
DLPX-69238Secure Shuffle algorithm, when used with extended connectors, left data unmasked but reports success.
DLPX-69244Importing a 5.3.x Masking Environments into 6.0.1 ME, the Application Name is converted to numeric.

Fixed an issue where setup could fail if the DNS Domain is empty.

DLPX-69622Data level profiling  jobs fail with "Couldn't find field 'XYZ' in row!"

Release Changes

Delphix OS Fixes (Optional on Reboot)

Bug NumberDescription
DLPX-69203Improved synchronous write performance over iSCSI.
DLPX-69167Improved SQL Server data ingestion performance by leveraging asynchronous writes on underlying storage.
DLPX-69298Eliminated possible data corruption on SQL server and vFiles over iSCSI that can occur when a Delphix Engine reboots.

Masking Fixes

Bug NumberDescription
DLPX-69238Secure Shuffle algorithm, when used with extended connectors, leaves data unmasked but reports success.

Redefine condition on Mainframe Inventory UI is vulnerable to XSS attacks

DLPX-69134Masking product is missing Oracle NLS support.

Release Changes

Management Server Fixes

Bug NumberDescription
DLPX-60689For SAP ASE, instead of using the DBCC CHECKALLOC command to fix DBID mismatch issue, the MOUNT command with FIXDBID and ALLOW_DBID_MISMATCH clauses will be used, to improve performance.
DLPX-65831VDB snapshots need to clean unneeded ZFS datafiles.
DLPX-63949Improved boot time after 5.3 to 6.0 migration by optimizing metadata indexing.
DLPX-66261Upgrades to will only be supported from a release greater than or equal to
DLPX-66486Snapshot of a linked database can end up with extra datafiles that do not belong to the database which might cause VDB on VDB provision to fail during rename of datafiles.
DLPX-66558Cluster environment discovery was incomplete if the host locale was not English.
DLPX-66804DB_LINK using incorrect user when RAC node also configured as a standalone environment.
DLPX-66768vPDB save state lead to rollback or child provisioning failures.
DLPX-66823Unable to link database with CL8MSWIN1251 charset.
DLPX-64538Fixed a bug causing the timezone selector to only be visible when manually setting the time.
DLPX-66809Removed the Windows Diagnostics Files and Directories on successful Diagnostics upload.
DLPX-67279Provision failed when the source was from a RAC Oracle Standard Edition database and the target was Oracle Standard Edition.
DLPX-67451Fixed an issue that sporadically caused replication to fail with an internal error.
DLPX-67454Delphix Engine should select the highest version ojdbc driver available at ORACLE_HOME/ojdbc/lib.
DLPX-66077Ensures child worker threads are gracefully exited when parent linked source sync job has completed/terminated.
DLPX-45983MSSQL Validated sync will resume when storage usage falls below the threshold if storage threshold enforcement failed in the past.
DLPX-67560Fixed an issue where MT provision may result in ORA-02058 due to un-purged or inflight 2PC transactions on dSource.
DLPX-67594Old timeflows and snapshots are not getting removed by snapshot retention.
LX-2020Report the correct amount of memory allocated to EC2 Nitro instances.
DLPX-67413Fixed an issue where VDB point in time provisioning might fail if Oracle database environment is configured in a non-English locale.
DLPX-67684PDB provisioning failed if the source had shutdown triggers.
DLPX-67575Fixed failure during point in time 'Virtual to Physical' provisioning.
After setting the database online give it some extra time to startup completely, before doing any further operation on it.
DLPX-67759Redact sensitive information from phone-home data.
DLPX-64638Validated sync stops working if Delphix cannot connect to the backup server.
DLPX-65559Even when the staging instance is down, attempt counter to detect backup files keeps on increasing and eventually, it stops detecting backups.
DLPX-56537When a target host is used by a large number of dSources for staging or has a large number of objects, the performance of Delphix operations like validated sync, refresh, rewind, etc can be slow due to Powershell processes being serialized.
DLPX-67894Removing cluster resource without removing its dependency can result in cluster failure. So, added retryer logic while fetching the resource dependencies (Get-ClusterResourceDependency) and ultimately fail the operation after all the retries.
DLPX-67813Unsupported SQL server backup type gets picked while validated sync and the operation fails while looking for the backup. So, introduced a tunable filter to automatically skip SQL backups taken by backup software not supported by yet Delphix.
DLPX-67925Added env host connectivity toolkit support for SLES on Power9.
DLPX-67934Retries to fetch image identifiers during Netbackup restore if there is a mismatch between MSDB and Netbackup Master.
DLPX-67655Fixed an issue where retention enforcement can generate user-visible errors while attempting to delete snapshots with dependencies after PDB migration to new CDB.
LX-1944EBS NVMe devices can now be used in Delphix Engines.
DLPX-68022Fixed an issue where hostchecker 'Check Oracle DB Instance' fails on HPUX and AIX.
DLPX-68124PDBs with lower/mixed case names will not enable after an upgrade.
DLPX-68126Fixed a bug that limits the number of disks that can be added in GCP.
DLPX-67421Update the primary db file names in a transaction with the Timeflow creation to make sure whenever a Timeflow is created successfully we have its primary file information.
DLPX-67440Skip VDBs having its current Timeflow as null from 'PrimaryDbFileAvailabilityCheck' as these VDBs doesn't undergo queisceing and are recoverable by refreshing them.
DLPX-61818Linking wizard - Target Environment step - Privileged Credentials authenticates on the selected target now.
DLPX-68117Some non-Admin users, lack all permissions, are unable to login to upgraded engine.
DLPX-67290A wrong version input by user while manually adding a SQL Server instance, created issues in provisioning VDBs. SQL Server version will now be auto-discovered for manually added instances on adding or refreshing the environment.
DLPX-66238Updated error message to let know user that non discovered CDBs are filtered out from the list when linking a detached source.
DLPX-68457When a target host is used by a large number of dSources for staging or has a large number of objects, the performance of Delphix operations like validated sync, refresh, rewind, etc can be slow due to Powershell processes being serialized.
DLPX-68484Fixed the issue where 'lstart' column value of sysusages table was beyond the range of Integer data type by taking the Long data type to store the lstart value.
DLPX-68500Fixed an issue where the NTP service is not started following a reboot.
DLPX-68290Support bundle generation can be time-consuming if the engine has a large number of snapshots to process.
DLPX-67792Fixed issue in grids in which the selection checkbox was unclickable.
DLPX-67555Provision vPDB/vCDB fails with ORA-45900 if the parameter enable_pluggable_database is omitted when specifying database parameters for new vCDB.

Delphix OS Fixes

Bug NumberDescription
DLPX-67782Engines running 5.3 on EC2 i3 can now be migrated to 6.0.
DLPX-67961Fixed an issue that prevents ssh access after switching to a static IP address.
DLPX-65948Fixed a bug that could cause replication jobs to fail with internal errors
DLPX-68025Improved boot time after 5.3 to 6.0 upgrade by reducing the overhead of setting ZFS properties.
DLPX-67868Fixed a bug that can cause the management service to run out of memory when disabling the Splunk integration.

Masking Fixes

Bug NumberDescription
DLPX-64530Allow a JDBC URL to contain a single quote (') character.

Add a status column to the audit log page to report each recorded action's result (success/failure).


Fix an issue where an in-place, multi-tenant XML file masking job that used file patterns did not have an execution component.

DLPX-65974Updated log statements in the file masking job logs to reflect that file connectors may use mounts in addition to FTP and SFTP.
DLPX-66127Fixed a job monitoring issue when counting the rows in table with more than 2+ billion (2,147,483,647) rows.
DLPX-62130Fixed an issue with the XML file inventory GUI that prevented users from assigning algorithms to both a tag and its attribute(s).
DLPX-66272Fixed an issue where an on-the-fly job using generic connectors used an incorrect database password.
DLPX-66600Removed the requirement to restart the Masking service after changing email settings.
DLPX-66328Fixed an issue with file masking jobs using multiple record types that could cause the job to fail or corrupt the output.
DLPX-66557Added support to the Date Shift algorithm for numeric data types.
DLPX-66517Enhanced the GET /file-field-metadata endpoint to return the full XML XPath for an XML field.
DLPX-66102"Drop Indexes" checkbox now handles compound indices correctly for Sybase.
DLPX-66967Fixed a Job Scheduler issue that caused a periodic job to only running once.
DLPX-67318Prevent reordering of the XML file inventory GUI when an algorithm is assigned
DLPX-67317On the XML file inventory GUI, open the algorithm assignment dialogue box with a single mouse click
DLPX-66076Added API endpoints for file recordTypes and recordTypeQualifiers
DLPX-65855Optimize the performance of EngineSync import, export, and get syncable object for large database rule sets.
DLPX-65987Fixed an issue that caused data level profiling of a database to fail when a column name was a special JavaScript word.
DLPX-67747Fixed an issue that caused some delimited or fixed file masking jobs with multiple record types of different lengths to fail.
DLPX-67470Fixed delimited file masking to treat double quote (") characters in fields as normal characters.
DLPX-67765Updated the Sybase JDBC driver.
DLPX-67838Fixed an issue that prevented XML File masking jobs from scaling above a few thousand files.
DLPX-67832Non-administrators can no longer regenerate the engine encryption key.
Make username searches on the Audit page case insensitive.
Fix an issue that caused an XML file masking job to run out of memory when masking very large XML input files.
DLPX-46220Import of extremely large object sets via the GUI XML feature is handled inefficiently.

Release Changes

Management Server Fixes

Bug Numer


DLPX-27433The analytics GUI network graph shows newly added NIC information without requiring a management service restart.


If you add a hook script via the CLI, newlines are removed erroneously.

DLPX-40094Correctly set the default type for the parameters to all operations in the CLI according to the container type.


Exclude sybsecurity from the list of auto-discovered databases.


Java 6 packages are no longer included in the product image.


When a user is set with the Provisioner role the 'provision' button does not appear, meaning anyone set with this role only is unable to provision VDBs.


The Delphix Engine does not provide instructions to browsers to avoid caching HTTP responses (pages).


Ensure Windows mount points are always unmounted as part VDB refreshes to prevent future VDB refreshes from failing due to "ERROR_ASSIGN_MOUNTPATH: failed to assign mount path for disk <dsik_number> at <mount_path>, error -2147024751".


In environments where the vPDB has been provisioned using a Delphix provisioned virtual CDB, shutting down the virtual PDB causes it to get into an incorrect "Cannot monitor" state, this has now been fixed to show the correct "Stopped" state.


Fixed an issue where vPDB refresh/rollback triggers spurious vCDB restart jobs, after vPDB+vCDB auto-restart.


Validated Sync can fail when monitoring ASE backup servers started by using the $DSLISTEN environment variable instead of the "-S" argument. This can be worked around by accessing $DSLISTEN in the RUN_xxxxx script and pass it down as -S.


VDBs with no snapshots failed to re-enable after a Delphix Engine upgrade, this has now been fixed.


Display underlying ssh error when environment host connections fail.


Enable Oracle LiveSource when LiveSource is in RESYNC_NEEDED state currently re-start Oracle Redo Apply. Oracle Redo Apply should not be restarted in this state.


Fixed a TCP port leak in the network throughput test feature.


Provisioning vFiles to the same host using different OS Environment Users no longer fails.


The API to list all snapshots consumes a significant amount of memory when there are more than 100,000 snapshots on the engine.


Fixed an issue where Oracle remote listener registration fails if set to empty string.
DLPX-60603Network settings dialog now displays actual MTU value rather than a checkbox.


Fixed an issue where the Environment Monitor on Redhat 6.9 and 6.10 might throw unidentified version errors.


When user configures connection strings manually, these connect strings can end up connecting to incorrect PDBs/CDBs causing invalid snapshots. Verify that each connection to a PDB/CDB connects to the expected PDB/CDB.


Delphix backups create controlfile records; in rare circumstances, these records can cause invalid snapshots. To avoid this problem, remove Delphix backups control file records when using SCN-based SnapSyncs once a SnapSync completes successfully.


Allow certificates to expire after issuer certificate expiration.


Reduce SSH connections by temporarily preserving and reusing existing Delphix<->host connections where possible.


Spurious job event "DISCOVERED_TO_MANUAL_ORACLE_CLUSTER_NODES" no longer shows up for non-Oracle RAC environment refreshes.


In Oracle versions 18c and 19c, an Oracle bug can prevent the datafile headers from being updated for a standby database when managed recovery is running, resulting in failed SnapSync operations. Alert the user that an Oracle patch might be needed.


Removed unneeded EMPTY_RENEGOTIATION cipher


Fixed an issue where stale file mounts may be leftover when vPDB provision fails.


Initial setup now fails if the system was not provisioned with enough storage.
DLPX-63600Network settings dialog now displays actual MTU value rather than a checkbox.
DLPX-64641Fixed an issue where the last snapshot of a vPDB Timeflow can be deleted after the vPDB has been disabled, thus leaving the vPDB in a state with no provisionable snapshots.


Allow provisioning to complete when source CDB includes PDBs in a broken state.


Provision should remove files present in datafile filesystem that are not part of the database when provisioning a VDB from a VDB.


ASE environment discovery will not fail if there is a mismatch of "dataserver name argument" and value of "@@servername".

Delphix OS Fixes

Bug NumberDescription
DLPX-57384Fixed a system hang caused by a deadlock in ZFS.

Masking Fixes

Bug NumberDescription


Added a job execution event with information on how to resolve an Oracle deadlock error (ORA-00060), see


Added a job execution event with information on how to resolve an Oracle snapshot too old error (ORA-01555), see


Test connector detects that a file/mainframe connector targets a single file instead of a directory and fails.


Fixed copy rule set to prevent leading/trailing spaces in a new rule set's name.


Correctly display file patterns, including escape characters, throughout the user interface.


Fixed the disable constraint feature to support an Oracle constraint (a) created by a different database user than the Masking job's database user and (b) using a validation setting of "NOT VALIDATED".


Added support for LDAPS (LDAP over TLS/SSL).


Attach the correct PDF report to all job execution emails.


When editing a large rule set in the GUI, do not reset to the first page after editing and saving a modification to a rule set component.


If a failure occurs during job generation, do not attempt to execute the job.


When uploading an SSH key, return an error if the name contains one of the following restricted characters: \ (backslash), ; (semi-colon), % (percent), ? (question mark), or : (colon).


Improved the performance for appending new mapping values to a mapping algorithm.


Fixed PDF report download URLs.


Fixed creation of a PDF audit report on the Audit tab of the user interface.


Removed leading/trailing spaces from Masking object names on upgrade. For naming rules, see the Getting Started > Naming Requirements section in the documentation.


Fixed the XML file inventory GUI to show an algorithm edit button for a tag with the same name as its parent.


Added support in the user interface for Cobol copybooks with a redefine condition at level 01.


Improved the file record types user interface to (a) remove the unnecessary length input and (b) clarify that the qualifier may be a regular expression.


Improved the performance of the copy environment feature.


Fixed an issue in the copy environment feature that removed file format assignments from the source environment.


Fixed an issue in the segment mapping algorithm that caused duplicate mappings if a minimum value was specified for the real values range.


For mainframe file masking, add support for a redefine condition on a field name that contains a - (dash) followed by a digit.


Fixed an issue with the rule set GUI when displaying table names longer than 50 multi-byte characters.