Earlier today, Microsoft released Update Rollup 4 for Exchange 2010 Service Pack 2.

The update includes a new feature as well as an important update that I would like to call out:

  • Calendar & Task (items) now support Retention Tags. Before this was not the case, as tags could only be applied to mail items/folders. Although tags for Calendar/Task (items) can only be configured by an Administrator (PowerShell), they will at least prove useful for companies that (heavily) rely on the use of Retention Policies to keep their mailboxes clean. If you are already using Retention Policies or are looking to implement them, there are some caveats to look out for when installing UR4. These items have been well described by Ross Smith IV in his article. I suggest you take a look at them.
  • a fix for a vulnerability in WebReady Document viewing that was recently reported. When the vulnerability was first reported, you were advised to temporarily disable this feature using the following command:

    Get-OwaVirtualdirectory | ?{$_.OwaVersion –eq ‘Exchange2007’ –or $_.OwaVersion –eq ‘Exchange2010’} | Set-OwaVirtualdirectory –WebReadyDocumentViewingOnPublicComputersEnabled:$False –WebReadyDocumentViewingOnPrivateComputersEnabled:$False

    After installing UR, you can safely re-enable the feature by using the following command:

    Get-OwaVirtualdirectory | ?{$_.OwaVersion –eq ‘Exchange2007’ –or $_.OwaVersion –eq ‘Exchange2010’} | Set-OwaVirtualdirectory –WebReadyDocumentViewingOnPublicComputersEnabled:$True –WebReadyDocumentViewingOnPrivateComputersEnabled:$True

 

Other updates/fixes that are included are:

  • 2536846  Email messages sent to a mail-enabled public folder may be queued in a delivery queue on the Hub Transport server in an Exchange Server 2010 environment
  • 2632409  Sent item is copied to the Sent Items folder of the wrong mailbox in an Exchange Server 2010 environment when a user is granted the Send As permission
  • 2637915 “550 5.7.1” NDR when an email message is sent between tenant organizations in a multi-tenant Exchange Server 2010 environment
  • 2677727  MRM cannot process retention policies on a cloud-based archive mailbox if the primary mailbox is in an on-premises Exchange Server 2010 organization
  • 2685001  Retention policies do not work for the Calendar and Tasks folders in an Exchange Server 2010 SP1 environment
  • 2686540  Journal report is not delivered to a journaling mailbox in an Exchange Server 2010 environment
  • 2689025  Performance issues when you use the light version of Outlook Web App in an Exchange Server 2010 environment
  • 2698571  Some email messages are not delivered when you set the MessageRateLimit parameter in a throttling policy in an Exchange Server 2010 environment
  • 2698899  Add-ADPermission cmdlet together with a DomainController parameter fails in an Exchange Server 2010 environment
  • 2700172  Recipient’s email address is resolved incorrectly to a contact’s email address in an Exchange Server 2010 environment
  • 2701162  User A that is granted the Full Access permission to User B’s mailbox cannot see detailed free/busy information for User B in an Exchange Server 2010 environment
  • 2701624  ItemSubject field is empty when you run the Search-MailboxAuditLog cmdlet together with the ShowDetails parameter in an Exchange Server 2010 environment
  • 2702963  The “Open Message In Conflict” button is not available in the conflict notification message in Exchange Server 2010
  • 2707242  The Exchange Information Store service stops responding on an Exchange Server 2010 server
  • 2709014  EdgeTransport.exe process crashes intermittently on an Exchange Server 2010 server
  • 2709935  EdgeTransport.exe process repeatedly crashes on an Exchange Server 2010 server
  • 2713339  Multi-Mailbox Search feature returns incorrect results when you perform a complex discovery search in an Exchange Server 2010 environment
  • 2713371  Throttling policy throttles all EWS applications in Exchange Server 2010
  • 2719894  The Microsoft Exchange RPC Client Access service consumes 100 percent of CPU resources and stops responding on an Exchange Server 2010 Client Access server
  • 2723383  Incorrect time zone in a notification when the Resource Booking Attendant declines a meeting request from a user in a different time zone in an Exchange Server 2010 environment
  • 2724188  A subject that contains colons is truncated in a mixed Exchange Server 2003 and Exchange Server 2010 environment
  • 2726897  Event 14035 or Event 1006 is logged when Admin sessions are exhausted in an Exchange Server 2010 environment

Please have a look at KB2706690 and MS12-058 for more information regarding the update.

The update can be downloaded from the following webpage:
http://www.microsoft.com/en-us/download/details.aspx?id=30478

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