How to enable modern authentication for Office 2013 clients

How to enable modern authentication for Office 2013 clients ? A question commonly asked by Outlook 2013 users . Reason for this is that ” an encrypted connection to your mail server is not available” are thrown this users if they try to setup exchange & office 365 account . The primary reason for this is , Outlook versions below 2013 sp1 does not support modern authentication .

If your have not yet installed the service pack one, click her to install service pack 1 before proceeding further. The issues is fixed by enabling modern authentication in Outlook 2013 using registry editor. We assume our readers have got Windows 10 as all lower versions are officially outdated. If you haven’t upgraded from Windows 7 yet, we have got a free guide for you here.

How to enable modern authentication for Office 2013 clients

How to enable modern authentication for Outlook 2013 clients ?

Mentioned registry edits are required to enable the Modern Authentication . Follow either of the below method,

[ Method 1] Manually editing the registry

Follow the below steps to open the registry editor and edit the below registry files. You may remember to add the entries if the entries does not exist already.

1. Run the registry editor.

Type regedit in Windows start menu & open the app.

Alternatively type regedit in the RUN app

2. Navigate to below path


Set Values to the registries.

AlwaysUseMSOAuthForAutoDiscover to 1

Also set MapiHttpDisabled to 0

Right click and choose Add new Dword , if entries not found .

3. Navigate to another registry path


Make Sure the below values are set to 1, Add new Dword if registry not found

EnableADAL – 1

Version – 1

The computer should be restarted to get the changes into effect .

[Method 2] Run the registry Fix Script

Download the below registry scripts and run it. You may get a confirmation popup, Just Click on Yes to complete the process.

DOWNLOAD 2013 Outlook Registry Fix

You must restart the Computer to get the changes into effect .

Skip Solution 2, if you have done this step.

Will registry edit alone fix the office 2013 modern authentication error ?

While the registry entries are fixed, its important to make sure the latest updates for the Microsoft office 2013 is installed. Updates that is essential are

1. Microsoft Office Software updates

Open any of the software & navigate to

File->Accounts – > Updates

2. Windows Software KB Updates

KB updates through Microsoft updates are also necessary.

For this, Navigate to Windows Updates ,

Select Advanced option to the bottom and turn on ;

Receive updates for other Microsoft products when you update windows

How to disable modern authentication for Office 2013 clients

Certain cases , user may need to revert the modern authentication settings . For this make sure the below registry value is set to 0. As in all registry edits, a system restart is necessary to get changes in effect.







Feedback Time

TechnicalEngine appreciate your valuable feedbacks. Did our article on How to enable modern authentication for Office 2013 clients help you sort out your issues. If Yes, Please share this article within your community and add us to your bookmark for more useful articles.

Now its your turn ! Let us know what is in your mind