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Hyper-V error code 4201

nyli
Level 2
*** Moved to new discussion from : https://www.veritas.com/community/forums/hyper-v-backup-failing-error-4201nbu-771 ***

I've also encountered error code 4201 while creating a policy for Hyper-V VM on SMB3 file share.

Can someone please confirm whether NetBackup support Hyper-V VMs on SMB3 file shares? Is there any plan for supporting that in the near future?

[NetBackup 7.7.2 test results] Creating a policy and manually backing up VMs on local volumes works but creating a policy for VM on remote Windows SMB3 share doesn't.

2 REPLIES 2

Faysal
Level 3
Partner Accredited

https://www.veritas.com/support/en_US/article.000043461

nyli
Level 2

Thanks! I've seen that article before but it doesnt' help correct the issue or tell whether NetBackup is intended to support Hyper-V virtual machines over SMB3.

Can someone please confirm whether the following functionality advertised by Veeam backup solution is supported by NetBackup7.7 or not?

https://helpcenter.veeam.com/backup/hyperv/hv_smb3_intro.html

In order to support VMs on SMB3 file shares, it means that the NetBackup client running on Hyper-V server will need to send MS-FSRVP requests to the remote file servers. For more info, see the following MS docs:

https://msdn.microsoft.com/en-us/library/hh554852.aspx

https://blogs.technet.microsoft.com/clausjor/2012/06/14/vss-for-smb-file-shares/