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

Port 443 is the standard for HTTPS, making it a high-traffic area. Frequent "squatters" include: Hyper-V Replication: By default, Hyper-V uses 443 for its replication traffic. IIS (Internet Information Services):

Step 1: Hyper-V Setting -> Replication Configuration -> Change Specify the Port from 443 to something else. Veeam B&R 13 Change Web Service Port 443 21 Nov 2025 — Port 443 is the standard for HTTPS, making

To resolve the conflict, you must first identify which application is currently using port 443: Veeam B&R 13 Change Web Service Port 443

To fix this, you must first find which process is currently "squatting" on port 443. Open PowerShell or Command Prompt as Administrator. Run the following command to find the Process ID (PID) using port 443: powershell netstat -aon | findstr : Use code with caution. Copied to clipboard Identify the process name using the PID found in the last column: powershell -Id Use code with caution. Copied to clipboard Stack Overflow Common culprits for this conflict include: Hyper-V Replication: Often uses 443 by default for HTTPS replication. IIS (Internet Information Services): Web servers hosted on the same machine. Third-party monitoring or time-tracking software: Examples include applications like Timemaster. System Process (PID 4): Copied to clipboard Identify the process name using

: Internal services within an organization might be misconfigured to use port 443, causing unexpected conflicts with Veeam Backup Replication.