If the offending app is something you don’t need (like a leftover WebEx service or a test website):
Because port 443 is now a hardcoded requirement for the Veeam Web service/API Gateway in v13, Veeam recommends installing the software on its own dedicated VM or physical server to avoid such conflicts entirely. Option 3: Temporary Fix for Upgrades If the offending app is something you don’t
:
netstat -aon | findstr :443
Update the in the settings for each VM to match the new port. If the offending app is something you don’t