Update Rollup 9 for Exchange Server 2007 Service Pack 1 fixes the issues that are described in the following Microsoft Knowledge Base articles:
943073
An image attachment appears as a red "X" when you send an RTF e-mail message from an Exchange Server 2007 organization to an external recipient
945877
The "eseutil /k" command takes a long time to verify the checksum of transaction logs in Exchange Server 2007 Service Pack 1
947662
The transport rule "when the Subject field or the body of the message contains text patterns" does not work accurately on an Exchange Server 2007 Service Pack 1-based computer
954739
The Exchange Impersonation feature does not work if a cross-forest topology has only a one-way trust relationship between forests in Exchange Server 2007 Service Pack 1
957137
The reseed process is unsuccessful on the CCR passive node after you restore one full backup and two or more differential backups to the CCR active node in Exchange Server 2007 Service Pack 1
957374
The Microsoft Exchange Replication service on a Standby Continuous Replication (SCR) target server continually crashes when you enable SCR for a storage group on an Exchange Server 2007 Service Pack 1-based computer
959559
Transaction log files grow unexpectedly in an Exchange Server 2007 Service Pack 1 mailbox server on a computer that is running Windows Server 2008
961124
Some messages are stuck in the Outbox folder or the Drafts folder on a computer that is running Exchange Server 2007 Service Pack 1
961544
Mobile users whose location is set to New Zealand cannot synchronize an exceptional occurrence after the daylight saving time (DST) update that is described in KB 951072 is installed on an Exchange 2007 Service Pack 1 Client Access server (CAS)
961551
An error message is returned when you run the Get-Recipient command in the Exchange Management Shell that uses a Windows 7 domain controller
963679
The Update-Recipient command does not update specified domain controller parameters when you use Identity Lifecycle Manager (ILM) 2007 to migrate mail users to mailbox users in Exchange Server 2007 Service Pack 1
967479
Entourage clients cannot synchronize with mailboxes that are located on a computer that is running Exchange 2007 Service Pack 1 and Windows Server 2008
967525
Error 4 is returned when you synchronize a supported list of contact properties by using Exchange ActiveSync in Exchange Server 2007 Service Pack 1
967605
A non-delivery report (NDR) is returned when a user sends an e-mail message to an X.400 address that includes the slash field separator in Exchange Server 2007 Service Pack 1
967676
E-mail address properties of contacts changed through Exchange Web Services (EWS) are not updated in Outlook or Outlook Web Access (OWA) in Exchange Server 2007 Service Pack 1
967739
If a sender requests a delivery receipt in an e-mail message, a delivery status notification (DSN) message is returned that has a blank subject in the body even though the original message contains a subject in Exchange Server 2007 Service Pack 1
968081
Monthly recurring meetings are declined if the "Schedule only during working hours" option is enabled in Exchange Server 2007 Service Pack 1
968106
Outlook clients are directed to global catalogs from the wrong domain if you are using a split session configuration to enable Outlook clients to access their mailboxes through an RPC/HTTP proxy server in Exchange Server 2007 Service Pack 1
968111
Event ID 4999 is logged when an administrator deletes a mailbox store on an Exchange Server 2007 Service Pack 1-based server
968205
The Microsoft Exchange Information Store service crashes every time that a specific database is mounted on a computer that is running Exchange Server 2007 Service Pack 1
968224
You still receive unexpected error messages when you run the Test-OwaConnectivity command or the Test-ActiveSyncConnectivity command after you apply hotfix KB954213 on an Exchange 2007 Service Pack 1-based server
968322
An HTTP 500 error message is returned when you send a message that has a large attachment by using Outlook Web Access (OWA) with S/MIME installed in Exchange Server 2007 Service Pack 1
968350
When you change the location field of a recurring calendar item to empty in Exchange Server 2007 Service Pack 1, the location field is set to the default value of the recurring series if this recurring item is synchronized on a Windows Mobile device
968621
The Microsoft Exchange Information Store service crashes when you use a Data Protection Manager (DPM) 2007 server to perform a snapshot backup for an Exchange Server 2007 Service Pack 1 server
968626
Event ID 1009 is logged when you use an application to access a shared mailbox by using the POP3 protocol in Exchange Server 2007 Service Pack 1
968651
Exchange Server 2007 Service Pack 1 servers continue to contact a domain controller even after you exclude it by using the Set-ExchangeServer command
968715
Both public logons and private logons that connect to a Client Access server (CAS) proxy are processed as private logons on an Exchange Server 2007 Service Pack 1-based server
969054
Error message after an Exchange Server 2007 Service Pack 1 user replies to a message that has more than 300 recipients in Outlook Web Access (OWA): "Microsoft Exchange issued an unexpected response (500)"
969089
Some databases are not mounted on the target server after you use the Move-ClusteredMailboxServer command to transfer a clustered mailbox server (CMS) to an available passive cluster node in Exchange Server 2007 Service Pack 1
969129
HTML e-mail messages that have a charset META tag that differs from the MIME charset tag are garbled when they are processed through disclaimer rules in Exchange Server 2007 Service Pack 1
969324
Outlook crashes when you try to use Outlook to view e-mail messages that are arranged by subject in Exchange Server 2007 Service Pack 1
969436
You cannot log on to a hidden mailbox by using Base64 authentication for IMAP4 or for POP3 in an Exchange Server 2007 Service Pack 1 environment
969838
An error message is returned when a user tries to change a recurring appointment in Office Outlook Web Access that was created in Outlook 2007 in Exchange Server 2007 Service Pack 1
969911
Mailboxes do not follow E-mail Lifecycle (ELC) configuration or storage limitation policies in Exchange Server 2007 Service Pack 1
969943
Memory leaks occur in the Powershell.exe process when you run the Get-MailboxStatistics command and the Get-PublicFolderStatistics command in Exchange Server 2007 Service Pack 1
969969
Error message when an Exchange Server 2007 Service Pack 1 user tries to delete a calendar item in OWA: "Outlook Web Access has encountered a Web browsing error"
970028
The Store.exe process crashes when you use a WebDAV application to connect to Exchange Server 2007 Service Pack 1
970086
Exchange Server 2007 Service Pack 1 crashes when the Extensible Storage Engine (ESE) version store is out of memory on a computer that is running Windows Server 2008
970277
The System Attendant (SA) resource is not brought online or offline during a failover in an Exchange 2007 Service Pack 1 cluster environment
970444
A move operation between an Exchange Server 2003-based server and an Exchange Server 2007 Service Pack 1-based server fails if the SimpleDisplayName attribute of a mailbox in the Exchange Server 2003-based server contains a single quotation mark
970515
You receive an error message when you try to use the "New-Mailbox" command to create more than 1000 users who have the same �mailNickname� attribute (alias) in Exchange Server 2007 Service Pack 1
970526
The EdgeTransport.exe process on a computer that is running Exchange Server 2007 Service Pack 1 crashes when a MIME message that contains iCAL items for a recurring meeting has more than 999 occurrences
970725
Public folder replication messages stay in the local delivery queue and cause an Exchange Server 2007 Service Pack 1 database to grow quickly
970993
Error message when a user tries to perform an address book search by using Outlook Web Access in an Exchange Server 2007 Service Pack 1 environment: �The item that you attempted to access appears to be corrupted and cannot be accessed.�
For more information about this
update rollup, see the following Microsoft Web site: