Restoring a virtual machine using Veeam SureBackup and Instant Recovery fails with errors

Products

• VMware vSphere ESXi

Issue/Introduction

Symptoms:

• You cannot restore the virtual machine using Veeam SureBackup and Instant Recovery software
• Attempting to restore the virtual machine using Veeam SureBackup and Instant Recovery causes one of these errors:

- Failed to publish VM
- Unable to mount vPower NFS volume <NFS share>
- Error during the configuration of the host: NFS Error: Unable to mount file system: Unable to connect to NFS Server

Environment

VMware vSphere ESXI 7.0
VMware vSphere ESXi 6.0

Cause

This problem occurs due to connectivity issues between the Instant Recovery server and the NFS datastore.

Resolution

To resolve this issue, ensure that all ports required by the NFS datastore are open (particularly port 111), and are not in use by any other application.

For more information on how to verify all ports are open, see Cannot connect to NFS network share (1007352).

For more information, see the Veeam knowledge base article vPower NFS Troubleshooting (1055).

For more information on port requirements, see TCP and UDP Ports required to access vCenter Server, ESX hosts, and other network components (1012382).

Additional Information

Cannot connect to NFS network share