Microsoft has released Update Rollup 5 version 2 for Microsoft Exchange Server 2010 Service Pack 2 (SP2). This update is dated December 11, 2012.

Issues that the update rollup resolves

Update Rollup 5 version 2 for Exchange Server 2010 SP2 addresses the vulnerabilities that are described in Microsoft Security Bulletin MS12-080

. This update also resolves the issues that are described in the following Microsoft Knowledge Base (KB) articles:

• 2707146

  (http://support.microsoft.com/kb/2707146/ )

  IRM-protected messages cannot be returned in search results if the messages are recorded and sent to an external contact in an Exchange Server 2010 environment

• 2710975

  (http://support.microsoft.com/kb/2710975/ )

  Some MAPI property objects in an ANSI .pst file contain unreadable characters if you import the file by using the “New-MailboxImportRequest” cmdlet

• 2712001

  (http://support.microsoft.com/kb/2712001/ )

  ExTRA.exe does not collect data if you select a scheduled task for a data collection in an Exchange Server 2010 environment

• 2712595

  (http://support.microsoft.com/kb/2712595/ )

  Microsoft Exchange RPC Client Access service crashes when you run the New-MailboxExportRequest cmdlet in an Exchange Server 2010 environment

• 2716145

  (http://support.microsoft.com/kb/2716145/ )

  Store.exe crashes on an Exchange Server 2010 mailbox server if a VSAPI based antivirus software is used

• 2717522

  (http://support.microsoft.com/kb/2717522/ )

  Microsoft Exchange System Attendant service crashes on an Exchange Server 2010 server when you update the OAB that contains a DBCS address list

• 2720017

  (http://support.microsoft.com/kb/2720017/ )

  An RBAC role assignee can unexpectedly change a DAG that is outside the management role group scope in an Exchange Server 2010 environment

• 2727802

  (http://support.microsoft.com/kb/2727802/ )

  Microsoft Exchange Replication service crashes intermittently when you try to move mailboxes from an Exchange Server 2003 server to an Exchange Server 2010 server

• 2733415

  (http://support.microsoft.com/kb/2733415/ )

  Event ID 1 is logged on the Exchange Server 2010 Client Access server in a mixed Exchange Server 2010 and Exchange Server 2003 environment

• 2733609

  (http://support.microsoft.com/kb/2733609/ )

  Email message and NDR message are not delivered if an email message contains unsupported character sets in an Exchange Server 2010 environment

• 2743761

  (http://support.microsoft.com/kb/2743761/ )

  DAG loses quorum if a router or switch issue occurs in an Exchange Server 2010 environment

• 2748766

  (http://support.microsoft.com/kb/2748766/ )

  Retention policy information does not show “expiration suspended” in Outlook Web App when the mailbox is set to retention hold in an Exchange Server 2010 environment

• 2748767

  (http://support.microsoft.com/kb/2748767/ )

  You receive an NDR message that incorrectly contains recipients of successful message delivery in an Exchange Server 2010 environment

• 2748879

  (http://support.microsoft.com/kb/2748879/ )

  You cannot access a mailbox by using an EWS application in an Exchange Server 2010 environment

• 2749075

  (http://support.microsoft.com/kb/2749075/ )

  A copy of an archived item remains in the Recoverable Items folder of a primary mailbox in an Exchange Server 2010 environment

• 2749593

  (http://support.microsoft.com/kb/2749593/ )

  Outlook logging file lists all the accepted and internal relay domains in the Exchange Server 2010 organization when you enable troubleshooting logging

• 2750293

  (http://support.microsoft.com/kb/2750293/ )

  Items remain in the “Recoverable Items\Deletions” folder after the retention age limit is reached in an Exchange Server 2010 environment

• 2750847

  (http://support.microsoft.com/kb/2750847/ )

  An Exchange Server 2010 user unexpectedly uses a public folder server that is located far away or on a slow network

• 2763886

  (http://support.microsoft.com/kb/2763886/ )

  “The operation failed” error in the Outlook client when you open a saved message from the Drafts folder and then try to send it in an Exchange Server 2010 environment

• Assume that you apply the Update Rollup 4 version 2 for Exchange Server 2010 SP2 (KB2756485), and then you apply the Update Rollup 5 version 1 (KB2719800). In this situation, when you try to run the Get-DatabaseAvailabilityGroup cmdlet, you receive the following error message:
  WARNING: An unexpected error has occurred and a Watson dump is being generated: Could not load type ‘Microsoft.Exchange.Rpc.ActiveManager.AmDeferredRecoveryEntry’ from assembly ‘Microsoft.Exchange.Rpc, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’.

For more information http://support.microsoft.com/kb/2785908