Port 443 conflicts are common but easy to fix once you know what’s listening. In most cases, it’s a harmless local service like IIS or a chat app. By identifying the PID and stopping or reconfiguring the offender, you’ll get Veeam Backup & Replication installed without a hitch.
Run netstat -aon | findstr :443 to find the PID (Process ID) in the far-right column. You can then match this PID in Task Manager under the "Details" tab. 2. Common Conflicts & Solutions Once identified, you usually have three paths forward: Veeam B&R 13 Change Web Service Port 443
If the VBR server also acts as a Hyper-V Replica target, it may be using 443 for replication traffic. Port 443 conflicts are common but easy to
Remember: Port 443 is a precious resource on any Windows server. Treat it as such, dedicate Veeam to its own machine wherever possible, and always perform a port audit before installation or upgrade. Your backups—and your peace of mind—depend on it.
Back up your registry and Veeam configuration database before making manual edits. Open regedit via the Windows Run dialog. Run netstat -aon | findstr :443 to find
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
Once the installer passes the compatibility check, the Veeam installation will proceed. After the installation is successful: Common Conflicts & Solutions Once identified, you usually
Often installed alongside third-party monitoring, ups management, or print tracking tools.
Certain replication services default to HTTPS.