Fix: Server does not support current authentication protocol

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Updated onOctober 4, 2023

updated onOctober 4, 2023

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While trying to access any of theMicrosoft Officeapps, you may encounterthis server does not support authentication protocolerror. The fullerrorreads: The server you are trying to access is using an authentication protocol not supported by this version of office.

Thiserrorcan occur with theOneNoteapp or on OneDrive for Business during the synchronization process. Several users have reported similar issues in theMicrosoft communityforum as well:

How do I fix the server authentification protocol error?

1. Add Office 365 account

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2. Remove and re-add the accounts

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

According to Microsoft, thiserroroccurs 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.

Fix: Server does not support current authentication protocol#

How do I fix the server authentification protocol error?#

1. Add Office 365 account#

2. Remove and re-add the accounts#

3. Update Microsoft Office#

Fix: Server does not support current authentication protocol

How do I fix the server authentification protocol error?

1. Add Office 365 account

2. Remove and re-add the accounts

3. Update Microsoft Office