Summary
This article provides information on how to update ADSync tool to latest v5.1
This article applies to ADSync v4.3 or v5.0
Procedure To Update:
a. Auto update: If you want to auto-update, please run ADSync.UpdateInstaller.exe, please use "Run as Administrator" option. Also, you need to manually run registry file (ADSync.PolicyLogger.reg) from update directory once update process is completed.
- Remove entry “ADSyncPolicy” from “HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\LSA\Notification Packages“.

- Reboot Domain controller.
- Replace “ADSyncPolicy.dll, ADSync.PolicyLogger.dll and ADSync.ClientHelper.dll” files in "$windir\System32".
- Stop ADSyncSvc using Services.
- Replace "ADSync.ClientHelper.dll, ADSync.ConfigStudio.exe and ADSyncSvc.exe" in installation folder of ADSync
Example "C:\Program Files\MachSol\ADSync".
- Add entry “ADSyncPolicy” to “HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\LSA\Notification Packages“.
- Double click or run “ADSync.PolicyLogger.reg” file to update the linked assembly version in windows registry.
- Reboot the machine.
- Repeat Step 1-8 for all additional/secondary/backup domain controllers.
Improvements / New Features
Resolved / Fixed Issues
- Handled error when there is no object in the OU selected for Sync in Client AD.
Download link for ADSync Update Files: ADSync v.5.1