Microsoft released Hotfix Rollup 2 for Forefront Protection 2010 for Exchange Server (KB2420647).

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

1. Out of memory state occurs when running a manual scan in Forefront Protection for Exchange
2. The link provided by Forefront Protection for Exchange to request removal from the SpamHaus block list wrong
3. Forefront Protection for Exchange does not display data in multiple console fields and mail cannot be sent externally
4. When starting a Windows Server 2008 R2 server running Exchange and Forefront Protection for Exchange, startup times are exceptionally long
5. Forefront Protection for Exchange falsely detects legitimate attachments as Corrupted Compressed files
6. File filtering does not occur in Forefront Protection for Exchange
7. A Forefront Protection for Exchange antivirus engine fails to load and mail is deleted
8. Forefront Protection for Exchange quarantines a blank message when taking action on a subject line filter
9. When installing FPE on Data Availability Group cluster (DAG), Domain Administrator privileges are required
10. Messages cannot be scanned because the FSCController service in Forefront Protection for Exchange is stuck in a continuous loop
11. “The Expiration Date is not valid” is returned when you try to enter a new expiration date in Forefront Protection for Exchange
12. The Forefront Protection for Exchange Administrator console hangs for several minutes when you navigate to the Filter Lists section
13. Cannot uninstall Forefront Protection for Exchange on a non-clustered server
14. Transport Scan process is not safely aborted after an out-of-memory condition occurs
15. The FSCTransportScanner.exe process in Forefront Protection for Exchange may stop responding, and this generates a Dr. Watson crash that references Bucket ID 1211603866
16. Filter Lists display an incorrect scan action in the Forefront Protection for Exchange Administrator console
17. FSCController.exe is reloaded many times whenever the Start-SignatureUpdate cmdlet is run on a cluster running Forefront Protection for Exchange
18. Submission queues in Exchange 2007 or 2010 fill when making a configuration change in the Forefront through the administrator or through Power Shell

For more details on the fixes consult the related knowledge base article (KB2420647). You can download the Forefront Protection 2010 for Exchange Server Hotfix Rollup 2 here.

Microsoft released Hotfix Rollup 1 for Forefront Protection 2010 for Exchange Server (KB2181692).

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

1. There is a handle leak in FSCController when SQM is uploading data in Microsoft Forefront Protection for Exchange
2. A Forefront Protection for Exchange scan engine update fails and generates Application Log errors
3. Forefront Protection for Exchange replacing legitimate attachments with text files and quarantining legitimate mail
4. Proxy credentials and UNC path settings for Forefront Protection for Exchange do not replicate to passive node during cluster failover
5. Forefront Protection for Exchange is blocking all incoming mail
6. A system state backup fails while attempting to perform anything other than a full backup on a server running Forefront Protection for Exchange
7. Forefront Protection for Exchange filters email with attached .MSG files that contain a subject line ending with a file extension
8. The Forefront Protection for Exchange client crashes when adding an IP address, or range, to either the IP Allow/Block List
9. Forefront Protection for Exchange sends legitimate email to Exchange’s UNDELIVERABLE folder
10. Store slows down and RPC request queue length rises when Forefront Protection for Exchange is running on Windows 2003 64-bit server
11. FSCUtility fails if run on a non clustered server that the cluster service is installed but disabled on
12. FPE detecting valid .xls or.csv file as Exceedingly nested
13. Forefront Protection for Exchange does not send External Sender notifications
14. The FSCManualScanner.exe process in Forefront Protection for Exchange terminates unexpectedly
15. The FSECCRService.exe process in Forefront Protection for Exchange may stop responding generating a Dr. Watson crash that references Bucket ID 107626953990176: Customer experiences OOXML performance issues when scanning
16. Customer experiences OOXML performance issues when scanning
17. Dr. Watson reports a null reference exception in Microsoft.FSS.AntiSpam.dll (from Forefront Protection for Exchange); Bucket ID [838554094]
18. Spam Reports may take an excessive amount of time to retrieve in Forefront Protection for Exchange
19. A scan job in Forefront Protection for Exchange will not restart after hitting the MaxDisableWait time timeout threshold
20. Forefront Protection for Exchange allows mail to go through unscanned if the MaxDisbaledWait time threshold is exceeded
21. Forefront Protection for Exchange generates more Realtime Scan Timeout notifications than expected
22. Sluggish or stopped mail flow resulting from the FSCTransportScanner process, within Forefront Protection for Exchange, crashing while scanning files with embedded object links.
23. Forefront Protection for Exchange does not have a Skip/Detect action option for the MaxContainerScanTime action menu

For more details on the fixes consult the related knowledge base article (2181692). You can download the Forefront Protection 2010 for Exchange Server Hotfix Rollup 1 here.