Fixed: VMware Horizon UAG "Unrecognized Request Detected" Warning

Fixed: VMware Horizon UAG "Unrecognized Request Detected" Warning Horizon UAG: Solving the 'Unrecognized Request Detected' Mystery Published: May 5, 2026 | Category: VDI Infrastructure & Security Overview of the Symptom In a VMware Horizon environment, administrators often encounter a yellow warning on the Unified Access Gateway (UAG) stating: "Unrecognized request detected." Curiously, the Connection Server remains healthy (Green), and the event often vanishes from the Horizon Console after a few minutes. 1. Root Cause Analysis This alert is a result of the UAG’s built-in security filtering. It triggers when the UAG receives traffic that does not conform to the expected Horizon protocol or HTTP standards. External Bot Scanning: As an edge device, the UAG is frequently hit by automated scanners (e....
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Changing Outlook Sync Server

 Changing Outlook Sync Server (Beyond Credentials)

Here's how to change the server Outlook synchronizes with, beyond simply updating your credentials:

1. Modifying Account Settings:

 * Open Outlook: Launch your Outlook application.

 * Access Account Settings:

   * Go to "File" > "Account Settings" > "Account Settings".

   * Select the account you wish to modify, then click "Change".

   * Click on "More Settings..." or "Server Settings".

 * Adjust Server Information:

   * In the "Internet E-mail Settings" window, go to the "Servers" tab.

   * Modify the "Incoming mail server" and "Outgoing mail server (SMTP)" addresses.

   * For advanced configurations, go to the "Advanced" tab to change port numbers, encryption methods, etc.

 * Save Changes: Click "Next" to save your modifications.

2. Creating a New Profile:

 * Open Mail Settings:

   * Go to "Control Panel" > "Mail" > "Show Profiles".

   * Click "Add" and enter a name for the new profile.

 * Add Account to New Profile:

   * Add the account you want to use with the new server settings.

   * Input the correct server settings during the account setup.

 * Use the New Profile:

   * When you open Outlook, choose to use the newly created profile.

3. Editing the Registry (Advanced Users):

 * Open Registry Editor:

   * Press "Windows Key + R", type "regedit", and press Enter.

 * Navigate to Outlook Profile Settings:

   * Go to the following path: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Profiles\<Your Profile Name>\9375CFF041311D11B88200AA003B9CB7

   * (Note: The "16.0" may vary depending on your Outlook version)

 * Modify ServerName Value:

   * Select the "00000001" key and modify the "ServerName" value.

   * Change other relevant values as needed.

 * Caution: Editing the registry incorrectly can cause serious system problems. Proceed with extreme caution.

Important Considerations:

 * Verify Server Information: Before changing server settings, ensure you have the correct server addresses, port numbers, and encryption methods from your email service provider.

 * Account Type Limitations: Some account types (e.g., Exchange accounts) may restrict direct server setting modifications.

 * New Profile Data: Creating a new profile will not copy settings and data from your existing profile.

 * Registry Editing Risk: Modifying the registry is for advanced users only and can lead to system instability if done incorrectly.


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