Hi,
Thank you for posting in the TechNet forum.
You can try to Add an entry to your mod_security config test if it works, such as:
SecRule REQUEST_METHOD “^PROPFIND$” “phase:1,t:none,skipAfter:9999″
Where "9999" is the exit rule in the setup.
More detailed information you can visit this link:
http://opensourceame.com/secured-webdav-with-office/
Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.
Hope this helpful.
William Zhou CHN
TechNet Community Support
