incompatibility with Dfs

Our file system driver has a problem whenever Dfs
driver is present. Dfs diver is filtering out some
calls namely the IRP_MJ_SET_INFORMATION requests. When
this Dfs driver is not filtering we get the calls and
all the file renames, deletes, dos attributes, file
security attributes all work correctly. Can someone
suggest what can be the cause of the problem?


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