This guide outlines basic steps used to troubleshoot Group Policy application errors using the Group Policy Service Debug logs (gpsvc.log).
Enable by setting HKLM\Software\Microsoft\Windows NT\CurrentVersion\Diagnostics\GPSvcDebugLevel REG_DWORD to 30002 (hex), and ensure %windir%\debug\usermode exists. The gpsvc.log log will be created in this directory when updating group policy (eg gpupdate /force).
When you are debugging a problem for hours and hours, you suddenly realise, "I bet it's something really dumb!" It often is. Therefore, we present: a list of dumb (and not so dumb) things to check
troubleshootingA massive checklist for trouble-shooting regular problems.
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