Over the weekend few servers stopped authenticating properly to the domain. I noticed some mapped drives not opening and Gpo policies not updating. On some hosts I was able to fix with forcing gpupdate. But others didn't work and I need to reboot domain controllers one by one.
Why does it happen? What process stops working on domain controllers that requires a reboot?
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This tutorial will walk an individual through the process of configuring their Windows Server 2012 domain controller to synchronize its time with a trusted, external resource.
Use Google, Bing, or other preferred search engine to locate trusted NTP …