Reinstall of SCSM managementserver failes on _RunSMScripts

October 16, 2025 Posted by Alexander Axberg

Reinstallation (disaster recovery) of Data Warehouse management server failed on the stage _RunSMScripts with the following details in the log:
Calling custom action CAManaged!Microsoft.MOMv3.Setup.MOMv3ManagedCAs.RunSMScripts
RunSMSCripts: Error: Requested registry access is not allowed.

Solution:
In the registry, check the permissions on the folder: HKLM\SOFTWARE\Microsoft\System Center\2010\Common\MOMBins,
this is where the encryptionkey to the databases are stored. In my case the inheritance was turned off. After comparing to a working management server I reenabled inheritance in the ACL and restarted the installation.

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