Operational Defect Database
BugZero found this defect 1908 days ago.
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Veeam | kb2903
KB2903: vSphere 5.5/6.0 VM Backup fails with "Exception of type 'Veeam.Backup.AgentProvider.AgentClosedException' was thrown"
Last update date:
7/22/2021
Affected products:
Veeam Backup & Replication
Affected releases:
9.5
Fixed releases:
No fixed releases provided.
Description:
Challenge
When backing up a VM within an environment running vSphere 5.5 or vSphere 6.0 the job fails with:
Cause
This failure is related to a known issue affecting VMware Virtual Disk Development Kit (VDDK) 6.0. VDDK 6.0 is used by Veeam Backup & Replication to access VMs running in Vsphere 5.5 and 6.0.
Solution
Disable IPv6 on all network interfaces of the Veeam Backup Proxies.
