Volume Shadow Copy Warning: VSS spent %1 seconds trying to flush and hold the volume %2. This might cause problems when other ...

Volume Shadow Copy Warning: VSS spent %1 seconds trying to flush and hold the volume %2.  This might cause
problems when other volumes in the shadow-copy set timeout waiting for the release-writes phase, and it can cause
the shadow-copy creation to fail.  Trying again when disk activity is lower may solve this problem.
%3