This happens consistently for me as well. The service ID is an administrator, is granted login as service, starts perfectly fine. Occasionally when I commit a change or a DC reboots some of them do not restart, saying 'Start service failed with error 1069'. When you try to start the service from the services msc it fails with "Error 1069: The service did not start doto a logon failure' I know the password I saved is correct, as it works the first time and subsequently while still logged in and click the commit button. It will even work for a short time after that logging off the DC, then back in. Eventually, after some time has passed it will fail. This generally presents itself on a reboot as I don't make a habit of going in and changing the agent settings. There has to be something in the way it is writing the config file and reapplying the password to the service upon a commit. **This applies to both 2008R2 and 2003 DCs**
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