Required Port 443 For Veeam Backup & Replication Is — Occupied By Another Application [verified]

Locate the service (e.g., World Wide Web Publishing Service for IIS, or VMware Host Agent ). Right-click the service and select . Change the Startup type to Manual or Disabled . Click Stop , then click OK . Solution 2: Change the HTTPS Binding in IIS

You can change the port during the Veeam installation process. When the installer asks for ports, type a different number for the secure web connection. If Veeam is already installed, you may need to modify the registry or run a repair installation to safely change its default communication ports. Step 4: Restart Veeam Services

to change its own internal web service port during installation, you must move the application: For Hyper-V: Hyper-V Settings Replication Configuration Change the port from to another available port (e.g., Update your individual VM Replication settings to match. IIS Manager (InetMgr.exe) , right-click the conflicting site, and select Edit Bindings Change the HTTPS port from

Here is a detailed breakdown of the feature, the conflict, and the resolution. Locate the service (e

Based on the identified process:

Local installations of VMware Workstation, Apache, or Nginx often claim port 443 for shared virtual machine management or local web hosting.

Veeam uses Port 443 for secure communication. Changing Veeam's port requires reconfiguring all managed servers and components to trust the new port, which is complex. It is usually easier to move the other application off port 443. Click Stop , then click OK

One of the most frustrating errors encountered during the installation or upgrade of Veeam Backup & Replication (VBR)—particularly in newer versions like v13—is:

Since Veeam v13’s use of port 443 is currently required for the installation to finish, you have two primary options:

If you want, I can convert this into a printable exam sheet with answer keys and command snippets, or produce a shorter quiz version (20–30 minutes). If Veeam is already installed, you may need

Developer tools or web servers left running from previous projects.

Before killing or uninstalling anything, ask: Can the other application be reconfigured to use a different port?

If you must run IIS on the same server as Veeam, change the IIS HTTPS port: Open the .

Here’s a detailed, practical blog-style post you can use directly or adapt for your audience.