Error: Connection closed

How to solve the error: Connection closed?

Overview: This article describes how to resolve the Error: "Connection closed" in gateway server while accessing RDP via web browser.

Follow these steps to resolve the issue:

Step 1: Inspect the Browser Console for Errors.

Right-click on any browser tab, select "Inspect," then navigate to the Console tab (or press F12).

Look for errors such as [mstsc.js] error : undefined(undefined) indicating misconfiguration in aaplication.

Step 2: Ensure that the correct username and password are provided when adding the RDP server.

Refer to the below screenshot:

Step 3: Ensure remote settings has been updated.

In the System Properties dialog under Remote Desktop, choose "Allow connections from computers."

Review settings and click OK to apply changes.