Event ID: 9040 may occur every 15 minutes on a computer that is running Exchange Server 2007

(948934) - Describes a problem where an event error 9040 is logged in the Application event log almost every 15 minutes on a computer that is running Exchange Server 2007. Provides a workaround.

- 1/7/2009 - http://support.microsoft.com/kb/948934

Outlook 2007 does not open some calendar items that are sent from a non-Exchange mail server to an Exchange mail server

(959431) - Fixes a problem in which the Outlook 2007 client does not open some calendar items that are sent from a non-Exchange mail server to an Exchange mail server.

- 1/13/2009 - http://support.microsoft.com/kb/959431

E-mail senders do not receive an indication that some messages have been held by Exchange Server 2003 until the SMTP service, the Microsoft Exchange Information Store service, or the Exchange server is restarted

(950757) - Fixes a problem in which the e-mail senders do not receive an indication that some messages have been held by Exchange Server 2003 until the SMTP service, the Microsoft Exchange Information Store service, or the Exchange server is restarted.

- 1/22/2009 - http://support.microsoft.com/kb/950757

Event ID 800 does not include the user name of users who ran the Get-MessageTrackingLog command in an Exchange 2007 environment

(949722) - Describes an issue that an Event 800 event message does not log the usernames of users who ran the Get-MessageTrackingLog command in an Exchange 2007 environment. A resolution is provided.

- 1/5/2009 - http://support.microsoft.com/kb/949722

The installation of the Exchange Server 2007 Hub Transport role is unsuccessful on a Windows Server 2008-based computer

(952842) - Describes a problem in which the installation of the Exchange Server 2007 Hub Transport role may be unsuccessful on a Windows Server 2008-based computer. Provides a resolution.

Users cannot delete or modify their own e-mail messages from a mail-enabled public folder in an Exchange Server 2007 environment

(952928) - Describes a problem in which users cannot delete or modify their own e-mail messages from a mail-enabled public folder in an Exchange Server 2007 environment. A workaround is provided.

When you move mailboxes from an Exchange Server 2003 computer to a continuous cluster replication (CCR) Exchange Server 2007 environment, all mail for some users may be put in the Deleted Items folder

(959960) - Describes a problem in which mail in mailboxes that are moved from Exchange Server 2003 to Exchange Server 2007 are put in the Deleted Items folder. You must change the option for the Automateprocessing parameter.

- 1/30/2009 - http://support.microsoft.com/kb/959960

Inline attachments are not displayed in Outlook 2007 e-mail messages

(961940) - Describes the issue when inline attachments are not displayed in Outlook 2007 e-mail messages that you receive through an Exchange Server 2007 e-mail account.

- 1/13/2009 - http://support.microsoft.com/kb/961940

December 2008 cumulative daylight saving time (DST) update for Exchange Server 2003 SP2

(960445) - Describes the December 2008 cumulative update for daylight saving time (DST) changes in several countries for computers that are running Microsoft Exchange Server 2003 Service Pack 2 (SP2).

- 1/7/2009 - http://support.microsoft.com/kb/960445

You receive an "Event ID 4999" and an "Event ID 5000" error message when you try to mount a database on a server that is running the cluster continuous replication feature in Exchange 2007

(962220) - Describes a problem in which a database cannot be mounted on a server that is running the CCR feature. Additionally, you receive an "Event ID 4999" and an "Event ID 5000" error message in the Application log.

- 1/20/2009 - http://support.microsoft.com/kb/962220

Error message when an Exchange 2003 Outlook Web Access client tries to send a digitally signed or encrypted e-mail message: "A digital ID that allows you to encrypt this message is missing"

(927463) - Discusses an error message that occurs when an Exchange 2003 OWA client tries to send a digitally signed or encrypted e-mail message. Provides a resolution.

- 1/9/2009 - http://support.microsoft.com/kb/927463

In an Exchange mixed mode environment, the installation of an Exchange 2007 Hub Transport role fails if you select any legacy Exchange cluster server that is running on a Windows 2000 platform as the target bridgehead server

(934258) - Explains that the installation of an Exchange 2007 Hub Transport role will fail in an Exchange mixed mode environment if you select any legacy Exchange cluster server that is running on a Windows 2000 platform as the target bridgehead server.

- 1/20/2009 - http://support.microsoft.com/kb/934258

Event ID: 1080 occurs every three seconds when you are using Exchange Server 2003 SP2 in a clustered environment

(914148) - Describes a problem that occurs if the Instance0 registry subkey is deleted. A hotfix is available to resolve this problem.

- 1/5/2009 - http://support.microsoft.com/kb/914148

Troubleshooting OWA when the contents frame displays “Loading”

(280823) - When you use Microsoft Internet Explorer version 5.0 or later to access Outlook Web Access (OWA) in Microsoft Exchange 2000 Server or in Microsoft Exchange Server 2003, you may receive the following message in the contents frame of OWA instead of the...

- 1/9/2009 - http://support.microsoft.com/kb/280823

A sender's e-mail address appears to a recipient as two distinct addresses if the sender's display name contains a comma and extended characters in Exchange 2000 or in Exchange 2003

(886757) - Fixes a problem in Exchange 2000 or Exchange 2003 where a sender's e-mail address appears as two distinct addresses if the sender's display name contains a comma and extended characters.

- 1/6/2009 - http://support.microsoft.com/kb/886757

Error message in Outlook when you click the signature icon of a signed e-mail message that an Exchange Server 2007-based Edge server receives: "The digital signature is invalid"

(949703) - Describes a problem in which you receive an error message when you click the signature icon in Microsoft Outlook. Provides a resolution.

- 1/19/2009 - http://support.microsoft.com/kb/949703

Exchange Server 2003 routes messages incorrectly after you create an X.400 connector that has multiple organizational unit (OU) attributes in an address space

(947638) - Fixes an issue in which the Message Transfer Agent (MTA) component may incorrectly route the message after you create an X.400 connector that has multiple organizational unit (OU) attributes in the X.400 address space in Exchange Server 2003.

- 1/22/2009 - http://support.microsoft.com/kb/947638

The Exchange 2007 Cluster Continuous Replication (CCR) setup process or the Microsoft Exchange Server 2007 Single Copy Cluster (SCC) setup process is unsuccessful if the replication of the computer account is not completed in the scheduled time

(947345) - Describes a problem in which the Exchange 2007 CCR setup process fails if the replication of the computer account is not completed in the scheduled time. Provides a resolution.

- 1/8/2009 - http://support.microsoft.com/kb/947345

The logon process is unsuccessful and you receive a "MAPI_E_FAILONEPROVIDER (0x8004011D)" error message in an Exchange Server 2003 environment

(946926) - Describes a problem in which the logon process is unsuccessful and you receive a "MAPI_E_FAILONEPROVIDER (0x8004011D)" error message in an Exchange Server 2003 environment.

- 1/21/2009 - http://support.microsoft.com/kb/946926

Mail flow to certain domains does not work when you run Exchange Server 2007 on a Windows Server 2008-based computer

(951291) - Describes a problem in which Telnet does not work to reach certain domains from Windows Server 2008. Therefore, the mail flow to those domains does not work.

- 1/14/2009 - http://support.microsoft.com/kb/951291

Wednesday, February 25, 2009 4:00 PM

MSDN Webcast: Communications Server 2007 R2, Exchange Server 2007 SP1, and the Unified Communications Platform (Level 100)

Wednesday, March 11, 2009 4:00 PM

MSDN Webcast: Unified Communications Development with Exchange Server 2007 SP1 Web Services (Level 200)