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Defender for Endpoint (mssense.exe) locking files and causing issues
Hi, We have encountered an issue with one of our applications whereby every time the application downloads a file from the application server, mssense.exe creates a RWD lock on the file very briefly...
The issue has been resolved, in the end it wasn't the file locks or anything to do with Defender. It was an issue with the application. Got it working without needing to change anything in Defender.
Thanks for all the help regardless.
MoMo1980 hi you can exclude the folder of your application from the automated investigation in MDE Settings Manage automation folder exclusions | Microsoft Learn
I am also receiving a similar issue with our build process. Adding the folder that is used for the build to the exclusions didn't stop mssense.exe from accessing them. I can see that mssense.exe is still accessing files under the excluded directory using resource monitor.