Corrupt registry and no recent backup? Here's a tip
What happens when a cached file grows stale?
Steps to setting up your Server 2008 R2 branch office cache facility
Improving file access performance for remote offices
Server 2008 Still Has Problems with Power Interruptions
What if there's no domain controller in a site?
Finding the PDC Emulator
Finding Global Catalog Servers
How Windows Clients Find Domain Controllers
Striking a compromise between security and ease of administration