KB2909: Adding Server 2019/Hyper-V 2019 to Veeam Fails
https://www.veeam.com/kb290913.03.2019 · Attempting to add Server 2019/Hyper-V 2019 may fail with an access or timeout issue when Veeam is installed on Server 2016/Windows 10. When attempting to add Hyper-V 2019: Error Failed to connect to host 192.168.1.26 Error Access denied or timeout expired. Error Check if you have local administrator privileges on computer '192.168.1.26'.
KB1914: "Invalid Credentials" error adding a Hyper-V host ...
https://www.veeam.com/kb191407.08.2014 · Failed to connect to host Access denied or timeout expired. Check if you have local administrator privileges on computer Possible reasons: 1. Invalid credentials. 2. Specified host is not a Hyper-V server. Cause When using a local account other than the built-in Administrator account, remote access is blocked by UAC remote restrictions . Solution