Windows Server

DFSR and SYSVOL Trouble After a Hard Shutdown

Posted by on March 23, 2013 at 7:25 pm

We had an extended power outage the other day, where the battery backup on the servers ran out and everything shut down. That’s not great, because you always want to have at least one DC up and running at all times. But there were many other problems after the power outage, and I finally tracked […]

Export and Import DHCP Scope

Posted by on October 22, 2012 at 9:20 pm

I was researching how to change the Subnet Mask of a DHCP scope on a Windows 2008 server. It turns out you can’t change the subnet without deleting the scope and recreating it. If there are a lot of customizations to the scope, though, like reservations and scope options, it’s no easy task to delete and recreate […]

Group Policy Preferences

Posted by on August 13, 2011 at 1:10 pm

Group Policy preferences is something new in Windows Server 2008. It used to be that adding group policies for things like mapped drives, printers, and Control Panel settings was a pain, and you had to drill down several nested layers all over the place to change anything. But with Group Policy preferences, all these common […]

Event ID 27

Posted by on June 1, 2011 at 9:57 am

I was getting Event ID 27 on a server. The error read: Time Provider NtpClient: The response received from domain controller <host dns name> is missing the signature. The response may have been tampered with and will be ignored. This sounds likes a scary message, with warnings that the response has been tampered with, but […]