Exchange 2010: Trying to disable a Round Robin Client Access Server Array

Posted on 2011-05-06
Last Modified: 2012-06-27
Having so many problems getting a round robin DNS CASA working that I'm wanting to just shut it down and set it to one of our two Exchange Servers.  I run the command "get-MailboxDatabase | set-MailboxDatabase -RpcClientAccessServer  agcv10k.domain.lcl" to replace the ClientAccessServer from it's round robin value of outlook.domain.lcl.

When I initially set this from a single server to a round robin DNS entry (outlook.domain.lcl) it took effect almost immediately.  But in attempting to change it back I waited 10 minutes, checked multiple clients, rebooted computers, restarted outlook but the old value of "outlook.domain.lcl" remained.

Is this not the correct command to set it back as it was?  When I run the query in the Exchange CLI ("get-mailboxdatabase | fl *rpc* and you will notice that the RpcClientAccessServer") it shows the RPCClientAccessServer setting as "AGCV10k.domain.lcl" which is what it should be.
Question by:ChocolateRain
    LVL 32

    Expert Comment

    Did you restart any services after making the change (RPC client access)?
    LVL 1

    Author Comment

    Yes, on both servers and it still has the old "Outlook.domain.lcl" on my client.
    LVL 1

    Accepted Solution

    Spoke to Microsoft support and they pussyfooted around the question.  Basically the way to remove this is remove the CAS Array on the server side thru the Exchange CLI and then just delete one of the Round Robin entries.  
    LVL 1

    Author Closing Comment

    No solution to this problem.  Just another 'feature'.

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