[2009-08-18 23:09:16.272 'vcbMounter' 3484 error] Error: Could not back up config file: [Lun] server/server.vmx

[tcsstar]

Its VCB backup, In single host all the VM's snapshot backup failed.

Is this configuration issue?

Is there anything do in ESX3.5? or VCB server

[AndreTheGiant]

Which transport mode are you using?

If you use SAN (the default) you need to see the "Lun" also from your VCB Server.

Andre

[Lakshmi_Gayatri]

can you please paste the command you are using and the error?