Exchange upgrade

HI Experts,
we are using exchange 2010 service pack with 5 servers .2 hub and cas  with NLB and three mailbox server in Dag.
we want to upgrade the service pack3 on all servers .Is it possible a direct upgrade or any order is required
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Sushil SonawaneCommented:
When installing SP 3 on Exchange 2010 you should upgrade the server roles in the following order.

Client Access

Hub Transport

Unified Messaging


Edge Transport

For more info Please refer below link.
emtechadminAuthor Commented:
I can upgrade from sp1 to sp3 directly?
Yes, You can upgrade directly to exchange 2010 Sp3.


Imran Shariff

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Sushil SonawaneCommented:
Yes you can upgrade directory exchange sp1 to sp3. There is issue.
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