Exchange Server 2010 SP2 Upgrade

Hi
I'm trying to upgrade our exchange 2010 servers to SP2 from RTM (no sp1 installed)

We have two exchange servers in a DAG, server1 has all 3 roles while server2 only has the mbx role as is.

Our Exchange used to be 2003 but migrated to 2010.

Pre req failed, had to run

MsiExec.exe /X {6574fdc2-40fc-405a-9554-22d1ce15686b}

rebooted

Pre req runs fine and the upgrade begins hub, cas complete but mbx role fails with the error

Error:
The following error was generated when "$error.Clear();
      buildToBuildUpgrade-ExsetdataAtom -AtomName MDB -DomainController $RoleDomainController

" was run: "An error occurred with error code '3221684232' and message 'Not enough storage is available to process this command.'."

All partitions have more than 30 GB free, and the disk with databases has 150% available compared to the size of the databases.

The is plenty of free space on all the DC's aswell.

Any help would be much appreciated.
expartiallog.txt
norwegiandudeAsked:
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Rajkumar-MCITPCommented:
Your exchange server 2003, still available? Is it get updated to Exchange Server 2003 SP2?

Not a Fix, it is a suggestion

Install CAS and HUB role on the second node and move the active mailbox database from active node to the second one and set the RPC client access property for all the mailbox database to point to the cas server. The second node will be active now.

Install the Sp2 on the node which is passive now and dont have active mailbox database

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norwegiandudeAuthor Commented:
Thanks for the reply.

No the exchange server 2003 has been removed.

Will try to move the databases that can be moved to the secondary MBX server before running the setup again.
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