KB1198: NFC connectivity troubleshooting steps
https://www.veeam.com/kb119826.08.2011 · The cause of most NFC errors fall into 3 primary categories: DNS (The proxy or Veeam server cannot resolve the ESXi host) Port (902) (The proxy can resolve the IP, but port 902 is blocked) Permissions* (The account specified in [Backup Infrastructure] for the vCenter does not have permissions)
KB2998: Microsoft SQL Server Transaction Log ... - Veeam Software
www.veeam.com › kb2998Sep 03, 2019 · For SQL Failover Clusters protected by Veeam Agent for Microsoft Windows via a job in Veeam Backup & Replication with the option Backup logs periodically an additional value must be specified (the value in HKLM\SOFTWARE\Veeam\Veeam Endpoint Backup also still remains the place). Location: HKLM\SOFTWARE\Veeam\Veeam Backup and Replication