Cove: data source 'Hyper-V (VSS)' is not ready for backup: VSS writer "Microsoft Hyper-V VSS Writer" is missing. Please ensure that "Hyper-V Virtual Machine Management" service has enough rights.

Last Modified

Thu Sep 13 20:32 GMT 2018

Description

  • Data source 'Hyper-V (VSS)' is not ready for backup: VSS writer "Microsoft Hyper-V VSS Writer" is missing. Please ensure that "Hyper-V Virtual Machine Management" service has enough rights.

Environment

  • Cove Data Protection (Cove)
  • Backup and Recovery

Solution

  • Hyper-V VSS writer is not started, or Backup Manager does not have permissions to access
  1. Run this command in elevated command prompt:
    • vssadmin list writers
  2. Check list for Hyper-V VSS writer
  3. If writer is not present, restart services in services.msc (in order given):
    1. Backup Service Controller
    2. Volume Shadow Copy
    3. Cryptographic Services
    4. Hyper-V Virtual Machine Management
  4. If writer is present, but datasource does not show in Backup Manager:
    1. Open services.msc
    2. Right-click Backup Service Controller > Properties
    3. Go to Log On tab > select This account
    4. Enter administrator credentials
    5. Select OK
    6. Restart services from step #3