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After a reboot, Windows non-clustered devices were not coming online when using PowerShell to online the devices. Coincidentally, the AppSync plugin was recently installed.
Updated: May 09, 2026
ID: 000184429
This article explains the solution when SourceOne web search is unable to preview or restore any messages.
Updated: June 11, 2026
ID: 000050277
This article explains the solution when journal activities fail on a worker server when SourceOne Supervisor components are in use.
Updated: June 11, 2026
ID: 000050295
Elastic Search Index sets remain in Missing Items state after a successful Re-index of Failed Docs.
Updated: June 11, 2026
ID: 000050297
Discovery Manager server component failed to install with error : User <SourceOne service account> doesn't exist in group <Security Group> on the domain controller(s)
Updated: June 11, 2026
ID: 000050306
Upgrading to SourceOne 7.2.7 or 7.2.8 may corrupt Message Center Unpack_Area transaction files, stopping indexing and search, consuming space, and blocking other transactions; defect SDR 62800.
Updated: June 08, 2026
ID: 000168743
When attempting to restore messages using SourceOne Web Search, the restore message window only displays "Loading," and never displays the mailbox folder listing.
Updated: June 04, 2026
ID: 000050307
Exchange Journal activities are not terminating correctly, they enter into a loop when trying to close the Provider connection.
Updated: June 04, 2026
ID: 000050315
Unable to preview, open, or restore messages within SourceOne Web Search Interface due to a trust relationship failure of SourceOne Web and Native Archive (Retrieval) servers.
Updated: June 04, 2026
ID: 000050406
SourceOne database fails to upgrade when updating the SourceOne to a later version.
Updated: June 04, 2026
ID: 000051898
SourceOne Email Management and Discovery Manager reports gets stuck at "Loading...." This is due to compatibility issues between the Microsoft Internet Explore browser and Microsoft SQL Server Reporting Services.
Updated: June 04, 2026
ID: 000051906
IPM Folder deletes failing during the index delete process due to Native Archive Server under Native Archive Connection claims the Message Center.
Updated: June 04, 2026
ID: 000051939
File Archive activities fail to process specific folders or files due to missing permissions in the SourceOne security group.
Updated: June 04, 2026
ID: 000052099
Search omits results when searching by dates after converting Indexes from ISYS to ElasticSearch.
Updated: June 03, 2026
ID: 000052131
Volumes fail to close due to missing content.
Updated: June 03, 2026
ID: 000052681
Unexpected Exception when selecting items to view from Discovery Manager Web Client due to IIS Dynamic Restrictions settings. The error is "The request failed with HTTP status 403: Forbidden."
Updated: June 03, 2026
ID: 000052701
Message "Query service unable to start the search process" is received when running Discovery Manager search.
Updated: June 03, 2026
ID: 000052773
The Elastic Search Service crashes/stops when indexing data in SourceOne Email Management causing indexes to go into the Missing Items state. Error: exiting
java.lang.OutOfMemoryError: Java heap space
Updated: June 03, 2026
ID: 000082334
Some SourceOne Email Management archived messages fail to extract or index.
Updated: June 02, 2026
ID: 000082260
ExAsElasticIdxObj thread fails to start, and indexing stops the process with the error message "Got Write Lock - But Another Process Owns it."
Updated: June 01, 2026
ID: 000053666
SourceOne Console displays the error "An unexpected error has occurred" if a Native Archive folder has more than 2.1 billion items.
Updated: June 01, 2026
ID: 000054710
SourceOne Offline access retrieves HTML or RTF messages as plain text with Outlook 2016 and Offline Access 7.2 SP3 or 7.2 SP3 HF1.
Updated: June 01, 2026
ID: 000170736
Universal URL (UURL) shortcut messages are not responding to retrieval requests due to miss-configure of ExShortcut website in Internet Information Server (IIS).
Updated: June 01, 2026
ID: 000055219
Large volumes fail to close with ECS on S3. Error: Burn of volume <Volume> was unsuccessful - deleting volume from S3 storage.
Updated: June 01, 2026
ID: 000173609
Unable to delete old searches in the Discovery Manager (DM) Console. Cannot delete a collection search containing items that are failed or copying to hold folder.
Updated: June 01, 2026
ID: 000055239
Unpack_Area transaction files are truncated after upgrade to 7.2.7 and are not being processed.
Updated: June 01, 2026
ID: 000168263
Rebooting the archive server while it writes to a temporary.emxt file leaves the file behind, causing the volume to become Failed Record; this behavior is due to a software defect in the process.
Updated: June 01, 2026
ID: 000173124
SourceOne fails to convert ISYS to ElasticSearch indexes due to ElasticSearch from SourceOne was unable to communicate with the cluster.
Updated: June 01, 2026
ID: 000184607
Rebuild operation fails for Archive folder configured with ECS S3. Error: Element not found
Updated: June 01, 2026
ID: 000173294
Users see a "Cannot connect the mailbox" error when clicking View Original Message in Exchange 2016 Outlook Web Access (OWA) because Outlook on SourceOne connects by MAPI, a protocol SourceOne does not support.
Updated: June 01, 2026
ID: 000167713