MPS problems troubleshooting Original Publishing Date: 2022-04-13Common information Replacement of HMC by WPE for Windows Shared Hosting Website Hosting: Windows Hosting Provisioning Infrastructure and Deployment Windows service provisioning troubleshooting How-to instructions How to restart the MPS Provisioning Engine properly How to enable MPS verbose logging How to catch requests from POA to Microsoft Provisioning System How to clean up failed MPS transactions How to increase memory limit for MPS engine How to recycle MPS Engine automatically PAgent reinstallation and MPS server General problems "SQL Server does not exist or access denied" "Failed while instantiating provider object" "The interface is unknown" POA background task fails during MPF request execution Failed tasks for Windows Shared hosting provisioning Service-related problems POA tasks related to BlackBerry services provisioning fail Exchange2007Mailstore/Exchange2010Mailstore package installation fails Some operations with Exchange mailboxes fail with "A constraint violation occurred" error POA task fails with 'Invalid Customer' error code during Organization or User creation Internal content