Troubleshooting Guest Processing "Test ... - Veeam Software
https://www.veeam.com/kb322523.07.2020 · Regarding Warning in VMware Environments. In VMware environments, Veeam Backup & Replication can use two methods to connect to a guest: RPC or VIX. If RPC is testing successfully, it is generally acceptable for the VIX test to fail as it will not likely be used.However, if it is desired to have VIX succeed, please see the relevant section at the bottom of the …
KB1938: Backup task fails with "Failed to prepare guest ...
https://www.veeam.com/kb193816.10.2014 · This issue takes place, when RPC settings are not properly configured in registry. Steps to fix the issue: Log on to Guest VM, press Start > Run > regedit Navigate to HKLM\SOFTWARE\MICROSOFT\RPC\INTERNET Export this key to back it up first, then delete the whole Internet key (and it's sub-keys). Reboot your system and run Veeam job once again