Microsoft released the second service pack for Microsoft Exchange Server SP2 Link
Now im going to Upgrade My Servers to SP2
Before we apply service pack 2 we need to check all the Compatibilities of our 3rd party software’s like Anti-Spam, Antivirus, Operating system service packs and Windows updates.
Most of companies have CAS array solution to Avoid any downtime for the users, we need to manage all our servers in such a way user should not fell any downtime ,
So when we are upgrading Service Packs, Roll updates we need to apply the update on one server at a time.
Imp Note :
When you upgrade Exchange 2010 to a newer service pack, you can’t uninstall the service pack to revert to the previous version. If you uninstall the service pack, you remove Exchange from the server.
Upgrading Exchange 2010 Order
Lets check our Current Version of Exchange Server
Current version it shows 14.1 ( Build no 218.15)
Note: Another Important thing is we cannot make Exchange 2010 SP1 and SP2 Co-existence in same Load balancing.
We will start with one CAS server and Another.
Firstly we need to remove the server which will part of update from WNLB
Stop the node from Control Host
Right Click go to Properties under default state: stopped.
Now we need to check we have Third party applications like Anti-Spam or Anti-Virus Services running we need to manually stop those services.
Disabling the Monitoring’s like SCOM agents or another.
We need to make sure all the prerequisites on Client Access servers are installed.
Open Server Manager.
Under Web Server (IIS), select Add Role Services.
In the Add Role Services wizard, on the Select Role Services page, select the following Windows features:
IIS 6 WMI Compatibility
Client Certificate Mapping Authentication
Run the Setup File
Here we go now we are ready to Upgrade Exchange 2010 Sp2.
Now lets Verify the Exchange Setup by View Setup logs.
We need to check service pack setup log file to C:\ExchangeSetupLogs to verify the setup.
Also Make sure all the services are working and started automatically.
Start the server in the NLB cluster.
Make the Default State Mode: started
Once you have upgraded the First CAS server then you can go and applied the same on Another.