Required Port 443 For Veeam Backup & Replication Is Occupied By Another Application Jun 2026

What or process did the netstat command reveal?

If you must run IIS on the same server as Veeam, change the IIS HTTPS port: Open the . What or process did the netstat command reveal

John breathed a sigh of relief, happy that he had resolved the issue before it caused any major problems. He made a mental note to double-check the configuration of new applications before they were deployed, to avoid similar conflicts in the future. He made a mental note to double-check the

During the installation or upgrade of Veeam Backup & Replication, you may encounter a critical error stating that . Because Veeam relies heavily on port 443 for secure HTTPS communication, REST APIs, and cloud integrations, this conflict will halt your deployment or break backup infrastructure management. If the VBR server also acts as a

If the VBR server also acts as a Hyper-V Replica target, it may be using 443 for replication traffic.