http://support.microsoft.com/?kbid=952816
After you apply Hotfix Rollup 3 for Antigen 9.0 for Exchange with Service Pack 1, you can configure the notifications for scan engine errors and for scan engine time-outs

http://support.microsoft.com/?kbid=952940
The Statistics.xml file is written to the Antigen\Data directory instead of to the shared drive that is expected when you run FSSMC in a cluster environment

http://support.microsoft.com/?kbid=952615
A file does not exist in the quarantine in Antigen 9.0 for Exchange

http://support.microsoft.com/?kbid=951539
Antigen 9.0 incorrectly detects the Winmail.dat file as a CorruptedCompressedFile virus when the Winmail.dat file contains multiple image files that are embedded

http://support.microsoft.com/?kbid=951436
The Antigen Administrator displays no General Options settings in Antigen 9.0 for Exchange

http://support.microsoft.com/?kbid=951534
Error message that has an error code 80005000 when you run Antigen 9.0 in a cluster environment: "ERROR: ADGetStorage – Could not bind to Active Directory configuration context"

http://support.microsoft.com/?kbid=952037
When the Exchange cluster group has more than one Network Name resource, Antigen 9.0 only uses the first Network Name resource, even if it is not the correct resource

http://support.microsoft.com/?kbid=951443
The AntigenService service takes a long time to stop in Antigen 9.0, and the service continues to log events in the Application log when Windows is shutting down

http://support.microsoft.com/?kbid=951444
Hotfix Rollup 3 for Antigen 9.0 for Exchange with Service Pack 1 contains a new feature that displays the Microsoft Knowledge Base article numbers of installed updates for Antigen

http://support.microsoft.com/?kbid=953324
The priority setting for the file filter lists is incorrect after you delete and then create a file filter list in Antigen 9.0 for Exchange

http://support.microsoft.com/?kbid=952620
An e-mail attachment is not renamed to have a .txt file name extension as expected in Antigen 9.0 for Exchange

http://support.microsoft.com/?kbid=951445
Hotfix Rollup 3 for Antigen 9.0 for Exchange with Service Pack 1 contains a new feature that displays the status of an engine update in the Antigen Administrator

http://support.microsoft.com/?kbid=950791
Description of Hotfix Rollup 3 for Antigen 9.0 for Exchange with Service Pack 1

http://support.microsoft.com/?kbid=951382
The program log for Antigen 9.0 for Exchange with Service Pack 1 incorrectly reports the .bz2 file type as an unknown file type

http://support.microsoft.com/?kbid=952881
The File Filtering section in Antigen 9.0 does not have a known file type for Windows Media Video (.wmv) files

http://support.microsoft.com/?kbid=952668
Antigen 9.0 for Exchange with Service Pack 1 uses CryptoAPI to encrypt data in cluster environments and in stand-alone environments

http://support.microsoft.com/?kbid=952926
The installation recognizes the active node as passive when you try to install Antigen 9.0 for Exchange with Service Pack 1 in a cluster environment

http://support.microsoft.com/?kbid=952936
The sender address logging functionality was removed from the ProgramLog.txt file in Hotfix Rollup 3 for Antigen 9.0 for Exchange Service Pack 1

http://support.microsoft.com/?kbid=951454
The CAIris scan engine cannot be removed after you install Antigen 9.0 for Exchange Service Pack 1

http://support.microsoft.com/?kbid=953494
Error message when you try to run a remote installation of Antigen 9.0 for Exchange on a remote computer: "Installation was not successful"

http://support.microsoft.com/?kbid=953498
The engine download process is reported as a time-out, and the new engine is not accepted in Antigen 9.0 for Exchange with Service Pack 1

http://support.microsoft.com/?kbid=952335
Two notifications are sent for each e-mail message that matches a detection rule when you enable the Message Journaling feature in Antigen 9.0 for Exchange

http://support.microsoft.com/?kbid=952841
Some e-mail messages may be stuck in the Categorizer component in an Exchange Server 2003 environment

http://support.microsoft.com/?kbid=949412
Event ID 1014 and Event 1005 are logged in the Application log after you use an SSL certificate for Exchange virtual server on an Exchange Server 2003-based cluster

http://support.microsoft.com/?kbid=952842
The installation of the Exchange Server 2007 Hub Transport role may be unsuccessful on a Windows Server 2008-based computer

http://support.microsoft.com/?kbid=953526
Error message when you try to migrate an e-mail message that is larger than 4 MB by using Microsoft Transporter Suite for Lotus Domino: "Maximum request length exceeded"

http://support.microsoft.com/?kbid=951619
The body of an e-mail message is truncated when you run Outlook in cached mode or when you move the e-mail message to a .pst file in Exchange Server 2003 Service Pack 2

http://support.microsoft.com/?kbid=951639
Exchange 2003 users receive spam e-mail messages that are sent from a single-label DNS name, even though the single-label domain name is invalid

http://support.microsoft.com/?kbid=952773
You receive an NDR message in an Exchange Server 2007 environment when you try to send an e-mail message to an address type that is supported by a fax connector

http://support.microsoft.com/?kbid=953126
CDO-based applications and applications that use Exchange Web Services do not support meeting request status reporting at the same level as Outlook

http://support.microsoft.com/?kbid=952771
When you use Outlook to send an HTML e-mail message to an Exchange Server 2007 user, the e-mail message appears garbled, or it contains Asian characters

http://support.microsoft.com/?kbid=951214
The From field and the Organizer field are not retained in a meeting request that contains an attachment in an Exchange 2003 environment

http://support.microsoft.com/?kbid=954204
Exchange services cannot be started, and event ID 7024 is logged after you install Symantec Mail Security on a Windows Server 2008-based computer that is running Exchange Server 2007

http://support.microsoft.com/?kbid=950559
Description of the update for the Unified Communications Client API SDK

http://support.microsoft.com/?kbid=953112
Event ID 56013 with an error code of 80070005 is logged in Event Viewer when you change the password for Office Communications Server 2007 service accounts

http://support.microsoft.com/?kbid=953907
Description of the update package for Communications Server 2007: June 2008

http://support.microsoft.com/?kbid=954000
Address Book synchronization may occur two times when many clients connect to a computer that is running Communications Server 2007