28 Dec 2015

Exchange 2013 CU11 may cause issues with CloudPanel when running in coexistence

Starting with Exchange 2013 CU11 powershell cmdlets are loaded based on where the currently logged in user’s mailbox is located. This can present a problem with CloudPanel if you have it set to 2013 but the account you are using in CloudPanel has a mailbox still on 2010.? The Shell unexpectedly loads Exchange 2007 or Exchange 2010 cmdlets Previously, opening the Shell on an Exchange 2013 server would result in the Shell opening a connection to the local server or another server running Exchange 2013. When the connection is made, Exchange 2013 cmdlets are loaded. Starting with Exchange 2013 CU11, the Shell will connect to the Exchange server where the logged on user's mailbox is located. If the logged on user doesn't have a mailbox, the Shell will connect to the server where the SystemMailbox{bb558c35-97f1-4cb9-8ff7-d53741dc928c} arbitration mailbox is located. The target server can be any supported version of Exchange. This means if the logged on user's mailbox (or the arbitration mailbox if the user has no mailbox) is located on an Exchange 2010 server, the Shell will connect to that server and load Exchange 2010 cmdlets. This may prevent you from performing certain tasks because Exchange 2010 cmdlets can't manage Exchange 2013 configuration or servers. Starting with Exchange 2013 CU11, this behavior is by design. To make sure the Shell loads Exchange 2013 cmdlets, move the logged on user's mailbox to Exchange 2013. If the logged on user doesn't have a mailbox, move the SystemMailbox{bb558c35-97f1-4cb9-8ff7-d53741dc928c} arbitration mailbox to an Exchange 2013 server. For details and information on how to move the arbitration mailbox, see Exchange Management Shell and Mailbox Anchoring on the Exchange Team blog.
In order to resolve this you need to make sure the account you specify on the application pool in IIS for CloudPanel AND the settings page has a mailbox on Exchange 2013 or make sure the arbitration mailbox listed above is moved. This will only affect you if you are running in coexistence!  
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