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Clarify configuration for suppressing redirect warnings
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Outlook/Client/connectivity/suppress-autodiscover-redirect-warning.md

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title: Suppress AutoDiscover redirect warning in Outlook
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description: Describes how to suppress the warning for a specific HTTP redirection.
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description: Describes how to configure Outlook to allow a connection to a specific endpoint.
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author: cloud-writer
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ms.author: meerak
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manager: dcscontentpm
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_Original KB number:_   2480582
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## Symptoms
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When Microsoft Outlook redirects an AutoDiscover operation from HTTP to HTTPS, you might receive a warning that resembles the following message:
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> Allow this website to configure [email protected] server settings?
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When this warning message occurs, you can choose not to be asked about the specific website again.
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If a specific HTTP redirection is expected in your organization, you can suppress the warning message for that website.
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## Resolution
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## Configure Outlook to allow connection to a specific endpoint
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If a specific HTTP redirection is expected in your organization, you can suppress the warning message for that website by configuring Outlook to allow te connection to a specific endpoint.
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[!INCLUDE [Important registry alert](../../../includes/registry-important-alert.md)]
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**NOTE**: You can also use the following registry subkey:
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`HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\<xx.0>\Outlook\AutoDiscover\RedirectServers`
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where \<xx.0\> is 16.0 for Outlook 2021, Outlook 2019, Outlook 2016, and Outlook for Microsoft 365.
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4. Select the **Edit** menu, point to **New**, and then select **String Value**.
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5. Type the name of the HTTPS server to which the AutoDiscover service can be redirected without prompting for a confirmation from the user, and then press Enter. For example, to allow redirection to `https://adatum.com`, use <i>adatum.com</i> as the name for the first String Value (REG_SZ).
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5. Type the name of the HTTPS server to which the AutoDiscover service can be redirected without prompting for a confirmation from the user, and then press Enter.
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For example, to allow redirection to `https://adatum.com`, use <i>adatum.com</i> as the name for the first String Value (REG_SZ).
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6. Leave the **Value data** box empty. The Data column should remain empty for the string values that you create.
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7. To add other HTTPS servers to which the AutoDiscover service can be redirected without displaying a warning, repeat steps 4 and 5 for each server.
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8. On the **File** menu, select **Exit** to exit the Registry Editor.

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