Export-EVArchive powershell script stops when any of its thread fails to fetch 25 consecutive items.

Problem

The Export-EVArchive powershell stops when any of its thread fails to fetch 25 consecutive items. The maximum no of threads we can use with Export-EVArchive powershell command is 100. If we do not specify the number of threads the default value is 16.

Error Message

For E.g.

Following snippets can be seen in the Export report:

The export has failed.

Items exported: 1500

Items failed export: 25

Note: In the above example we have assumed we are running the export with single thread.

Cause

During Export, if any of the threads encounter multiple consecutive errors while retrieving archived items, the Export Archive job could halt unexpectedly.

Workaround

This issue may occur in Enterprise Vault(EV) versions 12.1.0 and above.  To work around this issue, all EV servers must be upgraded to version 12.3.2 or above.  Once the environment has been successfully upgraded to version 12.3.2 or above, Contact Support making reference to this knowledge base content for further assistance.