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Exchange 2013 CU Updates
We have exchange 2013 Cu8 currently running.
we have 3 mailbox server and 3 cas servers with same CU8. Now we are planing to upgrade the CU.
question 1= i can directly upgrade exchange 2013 CU from 8 to 2013 CU21 (15.00.1395.004) right? please correct me.
Question 2= i can update first Cas servers and then Mailbox servers respectively right?
Question 3= please share the best practice steps to how i can upgrade CU is there any imapct will be?
Thanks a lot.
Yes you can do it.
Update Mailbox 1st and then go to CAS server
Prereq .net 4.7.1
1. Take backup of your AD (system State) & Exchange DBs
2. Upgrade your schema 1st and allow for replication to your other DC
3. Now upgrade your passive mailbox server.
4. Now move active DB's to passive server & upgrade the last remaining server
5. Now go to CAS servers.
Microsoft Recommended N-1 (Which is CU20)
Check for more info:
i really appreciate your prompt support, i have some doubts please clear it.
Que1= you have mentioned "Microsoft Recommended N-1 (Which is CU20)" means need to update CU 20 will be better instead of CU 21?
Que2= Also in CU 20 i saw mentioned TLS Exchange Server Support for TLS 1.2, if i update CU 20 or later then becouse of TLS 1.2 is there any impact will be on my exchange??
Que 3= Is there really need VC++ 2013 runtime to install?
Thanks a lot