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Article ID: 116143, created on May 22, 2013, last review on May 5, 2014

  • Applies to:
  • Operations Automation


Exchange public folder related task fails in POA with the following error message: 'The operation cannot be executed because the public folder database <PF database name> is not mounted. Mount the public folder database and try again'.
More detailed diagnostics is provided in the example below:
Task ID           110600
Task name         Create public folder 'docs' (id=712)
Task description  Create public folder 'docs' (id=712)
Subscription ID   1014405
Queue name        DomainService00256169
Method name       addPublicFolderHandler
Execution status  Failed
Start not earlier than May-14-2013 09:41
Finished          May-14-2013 09:41
Output Destination host '' (#172), IP '' : Provisioning request failed. Unspecified error [<response><errorContext description="The operation cannot be executed because the public folder database 'EX01\PF01\SG01' is not mounted. Mount the public folder database and try again." code="0x80004005" executeSeqNo="7"><errorSource namespace="Error Provider" procedure="SetError"/><errorSource namespace="SW Managed Exchange" procedure="_ClearFolderPermissionsForUser"/><errorSource namespace="SW Managed Exchange" procedure="CreateFolder"/></errorContext></response>]


Public folder database is not mounted on Exchange server, it may happen e.g. due to a problem with the Exchange installation or database was dismounted for maintenance.


1. Log on to the mailbox server which hosts the public folder database, IP address and hostname are provided in the failed task output. Ensure that the public folder database mentioned in the error message is mountedm use Exchange Management Shell or Exchange Management Consolde to do that.

2. If the database is mounted, try dismounting the database and mounting it again, then resubmit the failed task in POA Task Manager.

3. If the task still fails, verify that the 'Microsoft Exchange System Attendant' service is running on the mailbox server. If the service is running, restart it and resubmit the task in POA.

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