Which and Veeam version you are currently running.

After some discussion with the team, they decided to move the Acme Secure Gateway to a different server and change its configuration to use a different port. They also updated the Veeam configuration to use a new port, and everything was back to normal.

SSRS, when configured to run in native mode, uses port 443 for encrypted report manager access. This often coexists with Veeam’s own installed SQL Server instance, leading to conflicts.

In many cases, port 443 is hardcoded in the installer, meaning you cannot simply choose a different port during the setup process. Step 1: Identify the Conflicting Application

Then, find the process:

Go to the tab and sort by the PID column to find the matching application.

Locate the PID you found in the command prompt to see the exact name of the executable (e.g., httpd.exe , tomcat.exe , nginx.exe ). Common Culprits Occupying Port 443

When installing, updating, or configuring Veeam Backup & Replication, you may encounter a critical error stating that . Port 443 is the global standard for secure HTTPS traffic, and Veeam relies heavily on it for secure infrastructure communications, REST API access, and cloud plugin integrations.

Then, find the process name:

Some enterprise security suites host local web consoles on port 443. Step 2: Resolve the Port Conflict

will fail to start, potentially blocking your upgrade or regular operations. 1. Identify the Conflicting Application