We are getting the error when we are trying to backup vm's with veeam :
Server1 - attempting to back it up using Veeam, getting error "9/11/2014 2:20:13 PM :: Error: Client error: Failed to open VDDK disk [[ds_usse_infra2_07] OL6u4_v2/OL6u4_v2-US.vmdk] ( is read-only mode - [true] )
Failed to open VMDK.
Logon attempt with parameters [VC/ESX: [10.221.1.66];Port: 443;Login: [****];VMX Spec: [moref=vm-11891];Snapshot mor: [snapshot-17229];Transports: [nbd];Read Only: [true]] failed because of the following errors"
any ideas ?