Need Advice for Upgrade Exchange Server 2007 SP2 to SP3. My Existing environment is 4 AD. All are run in windows server 2003 and 3 Exchange Server 2007 that are run OS 2003 64 bit one SP1 and another two is SP2. and My next plan is Migration Exchange 2007
to 2013 and AD 2003 to 2012 R2. Please explain me any body for this matter as per as soon.
Md. Ramin Hossain