The following message appears in the Agent log:
Win 2012 R2 machine
1. Install disk editor software on the agent server.
2. Launch disk editor.
3. Select 'Navigate' menu item >> Primary NTFS >> Boot Sector Copy.
This defect affects users who has installed third-party software(Antivirus, Backup Software, others) which provoked the changed in the NTFS Boot Sector copy and it has been identified as RR-100011.