Today the Exchange Team released Rollup 3 for Exchange Server 2010 Service Pack 3 (KB2891587). This update raises Exchange 2010 version number to 14.3.169.1.

Here’s a list of fixes contained in this Rollup:

• • 2715761 “550 5.6.0” NDR when you send a yearly recurring meeting request in an Exchange Server 2010 environment
  • 2839533 RPC Client Access service freezes in an Exchange Server 2010 environment
  • 2840454 “The rules on this computer do not match the rules on Microsoft Exchange” error when you manage rules by using Outlook 2013 in an Exchange Server 2010 environment
  • 2874070 Public folders are exposed although the user does not have rights to see the parent folders in an Exchange Server 2010 SP3 environment
  • 2878175 Client Access server crashes when you use Outlook with a Riverbed WAN optimizer in an Exchange Server 2010 environment
  • 2879320 Retention action setting is not updated in FAI items by running the Set-RetentionPolicyTag cmdlet in an Exchange Server 2010 environment
  • 2879736 Office 365 users cannot retrieve an on-premises user’s free/busy data in an Exchange Server 2010-based hybrid deployment
  • 2880153 RPC Client Access Service crashes if Outlook is in online mode in an Exchange Server 2010 environment
  • 2880290 RPC Client Access service crashes when you use Outlook in ANSI online mode in an Exchange Server 2010 environment
  • 2882467 RPC Client Access service stops if Outlook is in online mode in an Exchange Server 2010 environment
  • 2882677 BlackBerry device is not redirected in an Exchange Server 2010 environment
  • 2886469 EAS client receives status code 8 during synchronization in an on-premises Exchange Server 2010 environment
  • 2886567 “Objects added to a BindingSource’s list must all be of the same type” error message when you add an additional domain name in Exchange Server 2010 SP3
  • 2887574 RPC Client Access service freezes when your mailbox reaches the quota limit in an Exchange Server 2010 environment
  • 2888406 Mailbox Replication service crashes when you try to move mailboxes in an Exchange Server 2010 environment
  • 2888906 Events 1000, 4999, and 9775 are logged when Store.exe crashes on an Exchange Server 2010 SP3 Mailbox server
  • 2888911 W3wp.exe crashes when you decline a meeting request by using Outlook Web App or an EWS application in an Exchange Server 2010 environment
  • 2890650 Items in the Drafts folder are not stamped with the retention policy tag in an Exchange Server 2010 or 2013 environment
  • 2891194 Exchange ActiveSync devices are marked as “Blocked” in EMS and EMC when the devices are synchronizing with the Exchange Server 2010 server
  • 2892337 Outlook client freezes when you try to sort email folders by columns in an Exchange Server 2010 environment
  • 2893437 Delegate can read your AD RMS protected messages by using Outlook Web App in an Exchange Server 2010 environment
  • 2896304 Background image is displayed incorrectly in an email message when a disclaimer rule is enabled in an Exchange Server 2010 environment
  • 2899146 You cannot drag email messages to other folders by using Outlook Web App in an Exchange Server 2010 environment

As of Service Pack 2 Rollup 4, its no longer required to disable/re-enable ForeFront Protection for Exchange using the fscutility to be able to install the Rollup properly. However, if you want to remain in control, you can disable ForeFront before installing the Rollup using fscutility /disable and re-enable it afterwards using fscutility /enable.

If you want to speed up the update process for systems without internet access, you can follow the procedure described here to disable publisher’s certificate revocation checking.

If you got a DAG and want to properly update the DAG members, check the instructions here.

As with any Hotfix, Rollup or Service Pack, I’d recommend to thoroughly test this rollup in a test and acceptance environment first, prior to implementing it in production.

You can download Exchange 2010 SP3 Rollup 3 here.