Love your articles! Save me a ton of time troubleshooting and helps me to understand things in the IDM a lot better.
I found this webpage that lists all the System Error Codes:
In your example above, the Windows side of the driver gave a 1325 error, which, according to the above link means:
Unable to update the password. The value provided for the new password does not meet the length, complexity, or history requirements of the domain.