Replication Is Occupied By Another Application |link|: Required Port 443 For Veeam Backup &

There are two main paths to resolve this: (Recommended) or Change Veeam (Advanced).

Veeam Backup & Replication uses port 443 for several vital operations:

Troubleshooting "Port 443 Required for Veeam Backup & Replication is Occupied by Another Application" There are two main paths to resolve this:

If the conflicting application can have its port changed, but it cannot be taken down permanently, use this sequencing trick recommended by Veeam Support:

Get-NetTCPConnection -LocalPort 443 | Select-Object LocalAddress, LocalPort, RemoteAddress, RemotePort, State, OwningProcess, @Name="ProcessName";Expression=(Get-Process -Id $_.OwningProcess).ProcessName Use code with caution. Common Culprits To help find the right fix, tell me:

Launch the to ensure it successfully connects to the backup server backup service without network timeout errors. To help find the right fix, tell me:

The preferred best practice for a dedicated Veeam server is to keep Veeam on Port 443. This ensures compatibility with firewalls, proxies, and Veeam Cloud Connect services. Therefore, you should move the conflicting application to a different port. Look for the line showing LISTENING and note

Look for the line showing LISTENING and note the number at the very end of that row. This is the . To match that PID directly to an application name, run: tasklist /fi "pid eq " Use code with caution.

If you absolutely cannot free up port 443 on the host operating system, you can instruct Veeam to install or run on a different port during or after installation. During Installation