These days have been O365 and the local domain account password synchronization problem. Since Microsoft is about to replace the previous dirsync with the Sync Tool for Azure Active Directory Connect (hereinafter referred to as AADC), I've also researched this tool. But the process is not smooth, encountered the password is always unable to synchronize the problem, after the Internet engineer for the past century, found that the AADC version of the Bug, is now recorded in this for your reference.
1. The Microsoft Official website downloads the digital certificate for 2016-5-7 1.1. The 180 version and the digital certificate are in the 1.1.189 version of 2016-5-26 with a password synchronization issue.
2. Password Synchronization failure You can find 657 of the logs in the "Application" log, as follows:
3. Replace the AADC problem resolution with the 1.1.119 version.
Azure Active Directory Connect Password sync issues