WSUS 3.0 - The server may be using another port or different Secure Sockets Layer setting.

Problem
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The server may be using another port or different Secure Sockets Layer setting.

Cause

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This issue can occur if the Enable-32bit mode is set to true for WSUS Application Pool.

Solution

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To resolve this issue, follow these steps:

1.) Open IIS Manager

2.) Expand Server Name -> Application Pools

3.) Select the WSUS Application Pool (WsusPool) and click Advanced Settings under the Actions pane.

4.) Change the value for Enable 32-Bit Applications to False.

5.) Run IISRESET /noforce