Subscribe to Help Center RSS FeedYou may encounter errors related to copying the target user’s registry hive when running the JumpCloud Active Directory Migration Utility (ADMU).
Error
Registry Backup Error: Could not take a backup of the user registry files. Verify that the admin running ADMU has permission to NTUser.dat/UsrClass.dat. Verify that no user processes/ services for the migration user are running.
Resolution
- Session Management
- Log in as a local administrator and ensure the target user is not active on the device. The ADMU interface will display the Active status of the users on the device. Occasionally a reboot is necessary to ensure all of the active user’s files are closed.
- Antivirus and Security Checks
- Ensure that the ADMU Tool executable and NTUser.dat/UsrClass.dat are both added to the antivirus whitelist.
- Device Configuration
- Verify that the Administrators groups has full access permissions for NTUser.dat and UsrClass.dat.
Error
The ADMU tool closes with no errors. In the log, you may see:
2024-05-30 12:30:14 WARNING: ADMU encoutered the following errors: backupOldUserReg
2024-05-30 12:30:14 WARNING: The following migration steps were reverted to their original state:
Resolution
This is a permissions error message. Download PSExec from MS Sys Internals website. Run the following command to launch ADMU as LocalSystem to resolve the permissions error.
psexec -s -i c:\path\to\gui_jcadmu.exe