Microsoft released Rollup 4 for Exchange Server 2010 RTM (KB982639). This update raises Exchange 2010 version number to 14.0.702.1.

Here’s the list of changes included in this rollup:

• 979342 An attachment is not visible when an Exchange Server 2010 user opens a signed mail message by using Outlook 2003
• 979517 You cannot send a message to a Dynamic Distribution Group in a mixed Exchange Server 2007 and Exchange Server 2010 environment
• 979790 An IMAP4 client crashes when accessing an Exchange Server 2010 mailbox
• 979801 An error message is generated in Exchange Server 2010 when you use Exchange Troubleshooting Assistant
• 979810 You cannot connect an Exchange Server 2010 mailbox by using a MAPI client
• 979848 Event ID 1066 is logged and you cannot move a mailbox from an Exchange Server 2003 server to an Exchange Server 2010 server
• 979862 Event ID 4999 and Event ID 7031 are logged when you move a mailbox to an Exchange Server 2010 server
• 979921 You cannot replicate a public folder from one Microsoft Exchange Server 2010 server to another, and Event ID 3079 is logged on the target server
• 980149 The Add-MailboxDatabaseCopy command fails when it is used to add a database copy to a Database Availability Group in an Exchange Server 2010 environment
• 980353 A MAPI application that is used to access Exchange Server 2010 mailboxes crashes when the application accesses an address book
• 980354 “MAPI_E_INVALID_PARAMETER” error message when you copy email messages from an Exchange Server 2010 mailbox
• 980364 Microsoft Exchange Transport service on an Exchange Server 2010 server crashes when a certain message is processed
• 980701 An Exchange Server 2010 mailbox user receives a NDR error message when the user sends an email message to multiple internal users
• 980852 The RpcClientAccess process on an Exchange Server 2010 server crashes when you access a mailbox by using a MAPI application
• 981033 Error message when you expand the Microsoft Exchange On-Premises node in the EMC of Exchange Server 2010
• 981961 Event ID 4033 is logged and the Free/Busy replication from an Exchange Server 2003 server to an Exchange Server 2010 server fails
• 982209 Some embedded messages are corrupted when they are contained in a message that is sent from an Exchange Server 2010 mailbox address
• 982378 A delegate receives only one meeting request when someone sends a meeting request to several principals in an Exchange Server 2010 RU1 or later environment
• 982944 The msExchVersion attribute value of a user is stamped incorrectly after you run the Enable-MailUser cmdlet to mail-enable the user
• 983200 The .xls file as an attachment is empty when you access an Exchange Server 2010 mailbox by using OWA
• 983631 “redirect it to people or distribution list” rule does not work on an Exchange Server 2010 mailbox address
• 2084061 A user intermittently fails to access an Exchange Server 2010 mailbox after the mailbox is moved

The last fix is interesting because we (me and Johan) are experiencing the issue during a cross-forest migration.

To download this rollup, click here. The Exchange versions, builds and dates table has been updated accordingly and can be found here.