I get these from time to time as well. In most cases it is a message in the Drafts folder. I just assumed it was a issue with the scan happening as the user is doing something to the file. If you find a solution let me know.
From: McCready, Rob [mailto:rob.mccrea...@dplinc.com] Sent: Tuesday, December 15, 2009 1:29 PM To: MS-Exchange Admin Issues Subject: Office Files being blocked by Forefront As a general consensus, how many of these options do you gurus usually check in the General Options of Forefront? [cid:image001.png@01CA7D93.E566BB20] We are having a problem with Office files being blocked, with this message :unwritable compressed file I tried to setup a filter to "Skip: Detect only" for OPENXML files, but apparently that isn't working. Several users are still getting XLMS and XLXS files blocked. I assume if I uncheck one of my options above, it will correct the issue, but I'm just wondering what a standard best/practice is. Thanks.
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