Updating Exchange 2010 version 14.1 build 218.15 to SP3?

Have a windows 2008 r2 server with exchange 2010 version 14.1 build 218.15
looking to upgrade exchange 2010 to SP3 for some features and future upgrade to exchange 2013
all the roles are installed on a single box (no DAG)

looking for an update procedure and any tips or pitfalls

can I upgrade directly to SP3? or do i need to do any rollups, sp2, or hotfixes first? i've read something about a schema update? is this necessary, is it recommended to do a command line ('setup /PS'), or just run the installer?
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SmightyConnect With a Mentor Commented:
Hello, indicated Exchange Server 2010 SP1, you can check your version here. You may have some Update Rollups installed that don't show here.

The Update Rollups don't have to be present to deploy the Service Pack, but I'd recommend installing them on a regular basis.

You can go directly to SP3, then install the latest Update Rollup.

Possible pitfalls are:
the certificate revocation list check (may take over an hour to do so if not deactivated in the browser first
that has been fixed with an UR for SP2 and is - since then - no longer an issue
installed antivirus/spam software (deactivate first if connected to the hub service
installed archiving Software
if you have more than one CAS server you may check the CAS2CAS-proxying since this was changed in SP2

If you have a single machine, I suggest a full backup of the machine and a backup of the IIS configuration.

Calculate some downtime to the whole Update procedure since it is a very big one. :)
AMtekAuthor Commented:
awesome, thank you!
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