Required Port 443 For Veeam Backup Replication Is Occupied By Another Application Link ~upd~ Now

Veeam Backup & Replication (VBR) v13

Starting with , port 443 is a hardcoded requirement for the Veeam Web Service and API Gateway. If this port is occupied by another application, the VBR services will fail to bind and start. Identifying the Conflict

He stood up and walked down the cold aisle of the data center, the blue lights of the server racks casting long shadows. He stopped in front of the rack containing Repo-01. It was a sturdy Dell PowerEdge, purchased specifically for heavy storage throughput. Veeam Backup & Replication (VBR) v13 Starting with

Port 443 is non-negotiable for Veeam Backup & Replication. The only sustainable solution is to ensure no other application binds to this port before Veeam starts. A dedicated Veeam server eliminates this conflict entirely. If co-hosting is unavoidable, reconfigure the competing web service to use an alternate port (e.g., 8443, 9443) and always start Veeam services first. Veeam KB articles and official port requirements (search

To check and remove this listener:

Service Failure

: If the upgrade completes but another application subsequently takes port 443, the Veeam Backup & Replication (VBR) services will fail to bind and may not start. How to Identify the Occupying Application Veeam Backup & Replication (VBR) v13 Starting with

Veeam Backup & Replication is a popular data backup and disaster recovery solution used by many organizations to protect their critical data. One of the key requirements for Veeam Backup & Replication to function properly is that it needs to communicate over specific ports, with port 443 being one of them. However, what happens when the required port 443 for Veeam Backup replication is occupied by another application? In this article, we will explore the issues that arise when port 443 is occupied, and provide a step-by-step guide on how to resolve this common problem.

Causes of Port 443 Occupation

Linux (if applicable):

  • Veeam KB articles and official port requirements (search Veeam help for "ports used by Veeam Backup & Replication").
  • Microsoft docs for HTTP.sys, netsh, and IIS bindings.
  • Docker and reverse-proxy documentation for port mapping and host networking.