AD Password Capture by DC
Check that SQL credentials validate (syncronizer.agent.config.exe)
Check that Enable Syncronization is checked
Stop and Restart the Agent
in Services.msc, check that Agent service is set to Delayed start
Other steps after trying the above
Version 2 uses .trn file in hidden folder, system32\syncronizer.agent
turn off agent
move the file to another folder - syncronizer.agent.trn
turn on agent and try a reset password
Version 4 does not use file (it may exist). Writes to registry instead
Test capture by agent
Turn off agent
Reset password
Should be a new guid key under the Sync agent in registry
LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\LSA\Syncronizer.Agent
If not writing to registry
check Notification Packages key under LSA
Agent should be listed
If not, add and reboot
Also running agent service as admin account on local computer may be necessary