How to suppress the AutoDiscover redirect warning in Outlook 2007/2010/2013


After setting up the SRV record for Autodiscover service, launching Outlook 2010 or Outlook 2013, users may get the following warning.

Allow this website to configure user@domain server settings?

http://<autodiscover url>

Your account was redirected to this website for settings.
You should only allow settings from sources you know and trust.

To solve this problem, an administrator needs to add a registry setting for users.
I will use Group Policy Preferences to deploy the registry setting for users.
1. At DC01, log in as Domain Administrator.2. Launch “Group Policy Management Console“.3. Right-click the GPO which is assigned to the users using Outlook 2010,  select “Edit“.

4. Expand “User Configuration > Preferences > Windows Settings > Registry“.5. Right-click “Registry“, select “New > Registry Item“.6. Next to “Action“, select “Update“.7. Next to “Hive“, select “HKEY_CURRENT_USER“.8. Next to “Key Path“, type “Software\Microsoft\Office\14.0\Outlook\Autodiscover\RedirectServers“.9. Next to “Value name“, type “<HTTPS server to which Autodiscover can be redirected>“.
Remark: The Key path is 14.0 for Outlook 2010 and 15.0 for Outlook 2013.
10. Next to “Value type“, select “Reg_SZ“.

11. Click “OK“.12. Close “Group Policy Management Editor” and “Group Policy Management Console“.
After assigned the GPO, launching Outlook 2010, users don’t get the warning.
Remark: If your environment is more than 1 Autodiscover record, you have to add each one.
Reference:How to suppress the AutoDiscover redirect warning in Outlook 2010 and Outlook 2013
You cannot suppress the Autodiscover redirect warning in Outlook 2007

This posting is provided “AS IS” with no warranties, and confers no rights!Posted by Terry Lau at 10:16 PMEmail ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest

Labels: Exchange Server 2007Exchange Server 2010Exchange Server 2013Outlook 2010Outlook 2013

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