The RMAD installation fails prematurely and the following error is logged in the msiexec install log (by running from a command line, msiexec /i "rmad_x64.msi" /L*v RMADInstall.log):
"The operation cannot be performed on database "RecoveryManager-Reporting-" because it is involved in a database mirroring session or an availability group. Some operations are not allowed on a database that is participating in a database mirroring session or in an availability group."