We have 2 Hub, 2 CAS , 2 Mailbox and 1 Public Folder server in my organisation.
CAS/HT/PF == Windows 2008 R2 Standard Edition
Mailbox -== Windows 2008 R2 Enterprise Edition
CAS/HT/PF == Standard Edition
Mailbox = == Enterprise Edition
All servers have SP2 without any RU . Build Number 126.96.36.199
I am planning to upgrade them to SP3 RU11.
I have few questions
1) Is SP3 and RU11 is same of all Exchange version ( Standard/Enterprise) or is it different for different Editions?
2) Can I do SP3 and RU11 update directly or do I need to update it first to any RU of SP2 first and then to SP3?
3) Can I install SP3 UR11 directly or do I need to update first to any RU of SP3?
3) Does RU11 for SP3 have all the fixes of previous updates or not?