Hola a todos, estos son los artículos nuevos en la KB de MS referente a Exchange:

An application may encounter a 0xc0000005 access violation error after you install security update 911567 on an Exchange 2003 server
http://support.microsoft.com/?kbid=947147

Exceptions to a recurring appointment incorrectly change the appointment’s start time to 12:00 AM in an Exchange Server 2003 Service Pack 2 environment
http://support.microsoft.com/?kbid=947500

The operation is not successful when you run the "Restore-Mailbox" cmdlet, and you receive an error message in Exchange Server 2007 Service Pack 1
http://support.microsoft.com/?kbid=946958

An Exchange Server 2007 mailbox server randomly generates many transaction logs in an Exchange Server 2007 Service Pack 1 environment
http://support.microsoft.com/?kbid=947014

The Edgetransport.exe process may crash intermittently on an Exchange Server 2007 Service Pack 1 Edge server
http://support.microsoft.com/?kbid=947551

Error message when you try to access  SharePoint Server from   Outlook Web Access in Exchange Server 2007 "Object doesn’t support this property or method"
http://support.microsoft.com/?kbid=948808

Duplicate calendar items may appear when you use Entourage to access a calendar on an Exchange 2007 server
http://support.microsoft.com/?kbid=949114

Unexpected modified instances of a recurring meeting may appear when you use Entourage to access a calendar on a computer that is running Exchange Server 2007
http://support.microsoft.com/?kbid=949113

An event ID 1080 message is logged in the System log every three seconds after you run the Set-ExchangeServer command to set the static domain controllers on an Exchange 2007 cluster node
http://support.microsoft.com/?kbid=948047

You cannot create a new mailbox or enable a mailbox in an Exchange Server 2007 environment on February 29, 2008
http://support.microsoft.com/?kbid=949893

Description of the Outlook 2003 post-Service Pack 3 hotfix package: December 11, 2007
http://support.microsoft.com/?kbid=945431

After you update a meeting series in Outlook 2007, exceptions to the meeting are not saved correctly
http://support.microsoft.com/?kbid=949294

You may experience poor performance when Outlook 2007 connects to an Exchange Server 2003 server
http://support.microsoft.com/?kbid=949295

Description of the Outlook 2007 hotfix package: February 27, 2008
http://support.microsoft.com/?kbid=949488

An external NDR message is sent to all recipients on a distribution list in Exchange Server 2007 Service Pack 1
http://support.microsoft.com/?kbid=945309

Some users have new empty mailboxes that point to the first mailbox store in the first storage group after you perform an authoritative restoration of Active Directory in Exchange Server 2003
http://support.microsoft.com/?kbid=948997

Event ID 4007 may be logged in the Application log when you enable Transport Layer Security (TLS) connections for one or more specific domains in Exchange Server 2003: "The remote SMTP service does not support TLS"
http://support.microsoft.com/?kbid=948803

The message body of the original e-mail message may be corrupted when the envelope journaling feature is enabled in Exchange Server 2003
http://support.microsoft.com/?kbid=949485

You cannot see the Mailbox role in the Exchange Management Console after certain updates are automatically installed
http://support.microsoft.com/?kbid=948908

An e-mail message has a blank body when you use Outlook Web Access 2003 to access a mailbox in Exchange Server 2003
http://support.microsoft.com/?kbid=948078

A link in a message does not work as expected in Outlook Web Access 2003
http://support.microsoft.com/?kbid=948039

Error message when you use the Exmerge tool to try to export the contents of a mailbox in Exchange Server 2003: "MAPI_W_PARTIAL_COMPLETION"
http://support.microsoft.com/?kbid=949759

Event ID: 9040 may occur every 15 minutes on a computer that is running Exchange Server 2007
http://support.microsoft.com/?kbid=948934

MS08-015 Description of the security update for Outlook 2000: March 11, 2008
http://support.microsoft.com/?kbid=946986

MS08-015: Description of the security update for Outlook 2002: March 11, 2008
http://support.microsoft.com/?kbid=946985

Description of the Outlook 2003 hotfix package: February 21, 2008
http://support.microsoft.com/?kbid=949289

MS08-015: Description of the security update for Outlook 2003: March 11, 2008
http://support.microsoft.com/?kbid=945432

Description of the Outlook 2003 Junk E-mail Filter update: March 11, 2008
http://support.microsoft.com/?kbid=947944

MS08-015: Vulnerability in Microsoft Outlook could allow remote code execution
http://support.microsoft.com/?kbid=949031

MS08-015: Description of the security update for Outlook 2007: March 11, 2008
http://support.microsoft.com/?kbid=946983

Description of the Outlook 2007 Junk E-mail Filter update: March 11, 2008
http://support.microsoft.com/?kbid=947945

Description of the Norwegian version of the Outlook 2007 hotfix package: February 26, 2008
http://support.microsoft.com/?kbid=948959

Description of the Outlook 2007 hotfix package: February 7, 2008
http://support.microsoft.com/?kbid=948716

Items can be added to a SharePoint .pst file even when the PstDisableGrow registry value for Outlook 2007 is configured to prevent the addition of items
http://support.microsoft.com/?kbid=948985

An Outlook 2007 e-mail message remains in the Outbox after you have moved it to a personal folder in Outlook Web Access
http://support.microsoft.com/?kbid=948984

Outlook 2007 takes longer than expected to populate the preview pane when you receive an encrypted e-mail message
http://support.microsoft.com/?kbid=948983

Updated information is not present in a resource’s meeting entry in Outlook 2007
http://support.microsoft.com/?kbid=948982

Outlook 2007 takes longer than expected to show free/busy information for meeting participants
http://support.microsoft.com/?kbid=948981

Description of the 2007 Office hotfix package: February 26, 2008
http://support.microsoft.com/?kbid=948950

Description of the Outlook 2007 hotfix package: March 1, 2008
http://support.microsoft.com/?kbid=949751

You cannot see private items in the calendar even though the "Delegate can see my private items" option is enabled in Outlook 2007
http://support.microsoft.com/?kbid=949877

Error message when you use a rule to move messages to a folder in Outlook 2007 after you set the value of the PreferANSI registry entry: "Cannot move to the <folder_name> folder"
http://support.microsoft.com/?kbid=949878

Description of the Outlook 2007 hotfix package: February 27, 2008
http://support.microsoft.com/?kbid=949401

Error message when you enable the "Show in Groups" option for a folder that contains thousands of e-mail messages in Outlook 2007: "Outlook is retrieving data from the Microsoft Exchange Server <Server_Name>"
http://support.microsoft.com/?kbid=949413

If an SMTP connector set the Outbound Security option to "Integrated Windows Authentication," the SMTP connector does not work in the IIS Metabase when you restore an Exchange Server 2003 server by using a Disaster Recovery mode
http://support.microsoft.com/?kbid=948801

The Autodiscover service fails for some Outlook 2007 users after you install Exchange Server 2007 Service Pack 1
http://support.microsoft.com/?kbid=946506

The W3wp.exe process may crash frequently on Exchange Server 2003 servers in an organization that has many Outlook Web Access users
http://support.microsoft.com/?kbid=945401

Error message when you check the properties of a contact in Outlook: "The name cannot be resolved. The bookmark is not valid"
http://support.microsoft.com/?kbid=948800

Tasks are unexpectedly deleted even though they are not past their age limit in an Exchange Server 2003 environment
http://support.microsoft.com/?kbid=943881

Description of the Spanish version of the Outlook 2003 post-Service Pack 3 hotfix package for the daylight saving time changes in 2008 for the Australian Eastern and Central time zones: February 9, 2008
http://support.microsoft.com/?kbid=948979

Saludos,
Pablo Vernocchi
Microsoft Exchange MVP
MCSE + M / MCSE + Sec
https://mvp.support.microsoft.com/profile/Pablo