Microsoft or Microsucks?

As you can imagine, we use Microsoft Windows for our operating system. That's the root of most problems.
Current issue, I rebooted our primary server only to find out that it decided to go a day fast for it's clock, and the backup didn't. And since Microsoft in their wisdom made active directory (their domain log in and policy tools) time sensitive, it screwed up every machine, no one could log in.
This is the second time this happened to us, luckily I knew how to easily fix it this time.