DC replication and recovery
As part of our DR strategy we replicate or servers to our DR site. This now includes a couple of 2008 R2 Domain Controllers. For DR testing we will bring these replicas up and then the other servers in the isolated environment. However, bring the DC up in isolated seems to cause a problem. this varies fom never being able to log on to having to wait for an hour before we can logon. Once we have logged on thy event log seems to indicate a problem with DNS, and yet I can't as nail what the problem is. One of the problems we face is that we set up or domain wrong in the first place. For those of you that remember the Windows 2000 AD design exam we should have gone for the multi forest Ski lodge model but ended up with a single domain and bunch of autonomous sub domains, this was fine under Windows/Exchange 2000 (just) and 2003 (better) but under Windows 2008/R2 and Exchange 2010 is starting to look severely broken or at least more awkward to mange then it needs to be. Now whether ...