When you remove a computer from a domain there are a few steps you should take to ensure that its GPO settings are removed properly as well.
Group policy can be quirky in the way it runs at startup, often taking two or three reboots before it actually applies to a machine. Here we are going to look at the cause of this and how to fix it.
Preventing rogue administrators from tampering with Event logs.
Troubleshooting USB floppy drive issues that cause text mode Setup to fail.
Using a script to modify permissions.