Veeam is a fantastic backup product.  Many of our clients use it to backup their virtual infrastructure. It produces nice pretty reports on what was backed up and much more. If you want to backup your virtual machines, I highly recommend it!

I encountered a problem with a simple solution, Veeam will claim that VMware tools are not installed/running when in fact they are! In this post I give some details of how to identify it and the simple solution that worked for me.

The errors

When Veeam gives you errors they aren't always very descriptive, for example it may give an error as generic as:
Guest processing skipped (check VMware Tools status)
Or it may give more detail such as this:
Failed to index guest file system. Veeam Guest Agent is not started
Failed to prepare guest for hot backup. Error: Failed to connect to guest agent. Errors: 'Cannot connect to the host's administrative share. Host: [IPV4_ADDRESS]. Account: []. Win32 error:The network path was not found. Code: 53 Cannot connect to the host's administrative share. Host: [IPV6_ADDRESS]. Account: []. Win32 error:The network path was not found. Code: 53 '
Error: Failed to connect to guest agent. Errors: 'Cannot connect to the host's administrative share. Host: [IPV4_ADDRESS]. Account: []. Win32 error:The network path was not found. Code: 53 Cannot connect to the host's administrative share. Host: [IPV6_ADDRESS]. Account: []. Win32 error:The network path was not found. Code: 53 '

The cause?

In this case, the problem was because the Windows 8 VM was migrated from a physical host, and it still had power management enabled! The VM was going into standby after 30 minutes, so if someone happened to be on it when the backup triggered it worked fine, and other times it threw errors! It seems that when you install it from scratch it realizes it is a VM and won't go into standby or hibernate, but a P2V will of course keep the original settings.

How to fix

The fix is simple, disable power management and set the VM to not hibernate!

Need more help?

If you need help backing up your virtual infrastructure or help with VMware, give us a call or use the contact form on the right!