WSUS Test URL for Windows Server Updates Services
ByCoryMK
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WSUS Test URL: How to Check Windows Server Update Services Connection

What is a WSUS Test URL?

A WSUS test URL allows administrators to verify that client systems can properly connect to the Windows Server Update Services (WSUS) server. By using these test URLs, you can quickly confirm:

  1. The required ports are open between client and server
  2. The connection has been successfully established
  3. Client systems can download updates from the WSUS server

How to Test WSUS Connectivity Using HTTP

To test your local connection to your WSUS server over HTTP, use the following URL format:

http://[your-wsus-server]:8530/selfupdate/wuident.cab

For example, if your WSUS server is named “wsus-server01”, you would enter:

http://wsus-server01:8530/selfupdate/wuident.cab

What to Expect When Testing WSUS Connection from Client

When you enter the WSUS test URL in your browser:

In Internet Explorer: A download prompt will appear asking if you want to download the wuident.cab file

Internet Explorer pop-up

In Microsoft Edge: The browser may automatically download the file to your downloads folder

WSUS Test URL in Microsoft Edge
Microsoft Edge downloads it directly

If the file downloads successfully, this confirms that the client can establish a proper connection to the WSUS server over HTTP using port 8530.

How to Test WSUS Connectivity Using HTTPS

For secure WSUS connections, you can test using HTTPS on port 8531. The format is:

https://[your-wsus-server]:8531/selfupdate/wuident.cab

WSUS Ports Reference

  • HTTP: Port 8530 (default for standard connections)
  • HTTPS: Port 8531 (default for secure connections)

Troubleshooting WSUS Connection Issues

If the test URL doesn’t work, check the following:

  1. Firewall settings: Ensure ports 8530 (HTTP) and/or 8531 (HTTPS) are open
  2. WSUS service status: Verify the Windows Server Update Services is running
  3. Network connectivity: Confirm basic network connectivity between client and server
  4. Server name resolution: Make sure the client can resolve the WSUS server name

Additional WSUS Testing Methods

Beyond the basic test URL, you can also:

  • Use PowerShell to test WSUS connectivity
  • Check WSUS client logs in Event Viewer
  • Run the Windows Update troubleshooter on client systems

By regularly testing your WSUS connection, you can ensure clients receive updates promptly and maintain proper security across your network.

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