How to Fix Autodiscover-s.outlook.com Redirect Warning

Outlook is a popular E-mail service own and control by Microsoft. However, if you start seeing the Autodiscover-s.outlook.com redirecting warning message when you are trying to log into your outlook account and it gives you concern, you can disable the redirect warning and stop seeing this.

The real message when the redirect warning popup reads: Outlook was redirected to the server Autodiscover-s.outlook.com to get new settings for your account <emailaddress>. Do you want to allow this server to configure your settings?https://autodiscover-s.outlook.com/autodiscover/autodiscover.xml? Click Allow only if you fully trust the source, or if your Exchange administrator instructs you to.

If you are seeing this consistently on your Outlook Mac or Outlook Windows, should you trust the warning message or discard it?

Autodiscover-s.outlook.com Redirect

Is the Autodiscover-s.outlook.com a Malware?

The warning message can be scary when the source is not trusted. However, the warning message is not a malware, it is the Microsoft database for technical information on their products.

And Outlook being one of Microsofts product, the warning message will popup and instruct you to either add it as a trusted source or not.

So, the Audiodiscover-s outlook com warning message that popup, when you want to log into your Outlook account, is not a malware.

The Symptoms of Audiodiscover-s.outlook.com

When the Microsoft Outlook 2016 for Mac connect to Microsoft Office 365  the platform Audiodiscover will be redirected from HTTP to HTTPS, the secure version of Microsoft Outlook 2016. For this direction, a warning message may popup which look like the highlighted message below.

Outlook was redirected to the server Autodiscover-s.outlook.com to get new settings for your account user@domain.com. Do you want to allow this server to configure your settings?
https://autodiscover-s.outlook.com/autodiscover/autodiscover.xml
Click Allow only if you fully trust the source, or if your Exchange administrator instructs you to
This warning message can be disabled and it will stop showing the redirect warning message on Microsoft Outlook 2016 when you want to sign into your account.

Fix Autodiscover-s.outlook.com Redirect 

Follow the steps below to fix the redirect warning.

Quit Microsoft Outlook from running. On your Desktop to Filter and find Utilities. Double tap the Terminal application. In the Terminal command, copy and paste this command “defaults write com.microsoft.Outlook TrustO365AutodiscoverRedirect -bool true without quotes and click on the Enter button. Navigate to the Terminal Menu and click on Quit Terminal.

Note: The command line above is case sensitive, so make sure it is written or copied the way it’s without a mistake. Do not delete space where added and do not add period where it’s not added.

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