Hyper-V: Error: Media is Write Protected (0x80070013, SAN-Disk)

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Fehlermeldung

"Media is Write Protected" Error or VDS error 80070013 after bringing SAN disk online via Diskpart


Ursache

In Windows Server there is a policy new to Windows related to SAN disks. This "SAN policy" determines whether a newly discovered disk is brought online or remains offline, and whether it is made read/write or remains read-only.


Lösung

  • Run DiskPart
  • List and select the disk that needs to be made available.
LIST DISK
SELECT DISK <disk #>
  • If the disk is offline, bring it online by running
ONLINE DISK
  • View the attributes by running
DETAIL DISK
  • To clear the read only flag run
ATTRIBUTE DISK CLEAR READONLY
  • Exit DiskPart



Weitere Informationen: https://support.microsoft.com/de-ch/help/971436/you-may-see-media-is-write-protected-error-or-vds-error-80070013-after