The below error may occur when editing or checking out a GPO:
“Failed to create the working copy.” Details:
Quest.Avalanche.Exceptions.AvalancheActionException: Failed to create the working copy. ---> System.Runtime.InteropServices.COMException: Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))
at Quest.Avalanche.Interops.QGPM.QGPMCommonClass.CreateGPM(String customADMPath)
at Quest.Avalanche.ClassLibrary.LiveEnvironment.LivePolicy.Create(String domainName, String domainController, String policyName)
at Quest.Avalanche.VersionControl.Implementation.PolicyWorkingCopy.Create(DirectoryEntry workingCopyEntry, PolicyData data, Backup backup)
at Quest.Avalanche.VersionControl.Workflow.VersionControlled.CreateWorkingCopy(Backup backup)
at Quest.Avalanche.VersionControl.Workflow.VersionControlled.CheckOut(String comment)
--- End of inner exception stack trace ---