Tag Archives: Troubleshoot CAS Server Error In Outlook Email

11Sep/17
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How to Fix Outlook CAS Server Error?

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This issue is generally encountered in the Outlook Email while users are accessing it because the server connection is not available that time. The message will be displayed when users are trying to open the Outlook account 2010.  Other reasons include using of credentials by CAS server which are needed to log on to the Windows instead of the credentials needed log on to the Outlook 2010 mailbox. Because the Windows credentials do not match the mailbox credentials, the CAS server error returns therefore. So, below is a proper guideline to Fix Outlook CAS Server Error  with appropriate explanation.

Steps to Troubleshoot CAS Server Error In Outlook Email

 Step 1: Configuring the proxy server settings

  • The very first step is to configure the proxy server connection settings if users is working with the Windows Internet Explorer.

Step 2: Adding the CAS server

  • Now users are requested to add the Client Access Server (CAS) servers to the proxy exceptions list in the Internet Explorer browser on a client computer.

Step 3:  Working with the key

  • Click on the Start icon and then, tap on the Run menu. The next thing would be to type the regedit command in the Open box.
  • Click on the “OK” icon next
  • Now locate and then tap on registry subkey which will be displayed as HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\Security

Related Blog: How To Fix Outlook Email Error 1025?

Step 4: Working with the DWORD (32-bit) Value

  • Next in the Edit menu, simply point to a “New” icon and then tap on the “DWORD (32-bit) Value”.
  • Users are now requested to type the “WinhttpAuth” command and then press the “ENTER” icon.
  • Now, in the Details section, just right-click on the “WinhttpAuth” icon and then hit on the “Modify” menu.
  • The next thing users need to do is to click on the “Value data” box and then type 1.
  • Click the “OK” button and exit from the registry editor

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Get in touch with our technicians at Outlook Customer Care Support Number to resolve all types of Outlook issues faster. We are available for customers 24*7 hours a day to assist you with all types of solutions for Outlook email technical issues while accessing it. Answers are highly proactive to have. Call us now and get all your issues solved in just a call away.