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

The first step is to find out which process is "squatting" on port 443.

Once you have determined the best path forward, execute these final actions to allow Veeam to complete its deployment or service initiation:

Check Task Manager (Details tab) to see which application corresponds to that PID. 2. Common Conflicting Services Hyper-V Replication

If your Veeam server is also acting as a web server, IIS likely has a "Default Web Site" bound to 443. The first step is to find out which

[Info] HTTPS listener started on 172.18.0.10:443. Ready to serve.

She had been planning this migration for six months. The old tape libraries were being retired. The new all-flash object storage array, affectionately nicknamed "The Vault," was racked and stacked. Veeam Backup & Replication v12.1 was the orchestrator, the brain that would move 4.2 petabytes of financial transaction data from the production cluster to immutable cloud storage. And its control heart—the web UI, the REST API, the service endpoint—needed port 443.

Ensure Veeam Backup Service and Veeam Web Service are running. She had been planning this migration for six months

Veeam Backup & Replication uses port 443 for several vital operations:

Edit the httpd.conf or ssl.conf configuration file, change the line Listen 443 to Listen 8443 , and restart the service. Step 3: Reconfigure Veeam to Use a Different Port

Before making changes, you must find out exactly which application or process has hijacked port 443. Method A: Using Windows Command Prompt (Fastest) Step 2: Resolve the Port Conflict

Or in PowerShell:

Older versions occasionally bound to ports 80 and 443 for incoming connections. Step 2: Resolve the Port Conflict