The purpose of this Wiki article is to provide insight on how to enable logging for PCNS and Password Synchronization. For troubleshooting purposes, setting verbose logging will assist greatly.
For PCNS, four logging levels are controlled by adding the EventLogLevel (REG_DWORD) entry to the following registry subkey:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\PCNSSVC\Parameters
For MIIS 2003 & ILM 2007, four logging levels are controlled by adding the FeaturePwdSyncLogLevel (REG_DWORD) entry to the following registry subkey:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\miiserver\Logging
For FIM 2010, four logging levels are controlled by adding the FeaturePwdSyncLogLevel (REG_DWORD) entry to the following registry subkey:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\FIMSynchronizationService\Logging