Server does not support current authentication protocol

XINSTALL BY CLICKING THE DOWNLOAD FILE

To fix various PC problems, we recommend DriverFix:
This software will keep your drivers up and running, thus keeping you safe from common computer errors and hardware failure. Check all your drivers now in 3 easy steps:

Download DriverFix (verified download file).

Click Start Scan to find all problematic drivers.

Click Update Drivers to get new versions and avoid system malfunctionings.

DriverFix has been downloaded by 0 readers this month.

While trying to access any of the Microsoft Office apps, you may encounter this server does not support authentication protocol error. The full error reads: The server you are trying to access is using an authentication protocol not supported by this version of office.

This error can occur with the OneNote app or on OneDrive for Business during the synchronization process. Several users have reported similar issues in the Microsoft community forum as well:

I have windows 10 pro and office 2016 with this problem, it won’t syncronise ondrive buiseness nor OneDrive private , i have another pc with windows 10 home and office 2016 where syncronising works fine, please help!

If you are also troubled by this error, here are a couple of troubleshooting tips to help you resolve this error on your PC.

How do I fix the server authentification protocol error?

1. Add Office 365 account

Start an Office application apart from the one you are experiencing the problem with

So, if you are getting the error with OneDrive client, open MS Word

Click on File and select Account

Under the User Information section, click on Switch Account

Next, click on Add Account

Enter the details for your Office 365 account that is associated with OneDrive for Business

Sign out for any accounts other than the Office 365 account that uses OneDrive for Business

Close MS Word

Click the small arrow icon in the Taskbar

Right-click on OneDrive for Business and select Exit

Relaunch OneDrive for Business from the Start menu

Right-click the OneDrive for Business cloud icon in the taskbar

Select Sync now

Check if the server not supported error is resolved

Looking to increase your productivity? Check out this article and find the top 5 Microsoft Office features to hel you with that.

2. Remove and re-add the accounts

Start an Office application apart from OneDrive or OneNote app

For example, start MS Word

Click on File and select Account

Under Connected Services, click on Remove all the services that is not related to Office 365 account

Exit the MS Word application

You also need to exit the OneDrive for Business if it is open

Click the small arrow icon in the Taskbar

Right-click on OneDrive for Business cloud icon and select Exit

Open OneDrive for Business app

Right-click the OneDrive for Business cloud icon on the taskbar

Click on Sync Now and check for any improvements.

Try following the above steps in case the first method didn’t resolve the issue.

To make the OneDrive library sync successfully, you may have to remove all accounts that are signed in except the Office 365 account.

3. Update Microsoft Office

Start an Office application like MS Word

Click on File and select Account

Under Office Updates, click on Update Options

Select Update Now

Windows will download and install any pending updates for the Office

After the installation is over, launch OneDrive or OneNote and check for any improvements

According to Microsoft, this error occurs due to a software glitch. By removing and re-adding the account, you can resolve it quickly. If not, install the latest version of Office to fix it.

Do you know any other methods to solve the issue that we may have missed out on? Let us know in the comment section below.

RELATED STORIES YOU MAY LIKE:

ncG1vNJzZmivmaOxsMPSq5ypp6Kpe6S7zGiqnqqmmr9uv9Spp6iqpGKutsDHnqWtoZOWwaq7zWanq6ekpLCwuI4%3D