I am getting the following error from the "C" partition of a Windows 2008r2 DC on the first backup. The reserve partition and the data partition seem to not have this problem.
It appears that Dell has a KB about this and even though we have three Dell SonicWalls with current service contracts it will not let me read the KB after logging in.
https://support.software.dell.com/appassure/kb/177780
We do have Symantec Appassure running on the server being backed up but had AA backing it up prior to the upgrade to RR. If this will not work I need to know now before we pay for the license.