Outlook error – Specified logon session does not exist

When using Microsoft Outlook on your Windows 11/10 PC, you may receive a server message stating “A specified logon session does not exist; It may already have been terminated for long periods.” This message can also be seen while trying to log in to your OneDrive account. If you are seeing this message, there are a few potential solutions that may help you to resolve the issue.

Specified logon session does not exist error in Outlook

When you’re working with Microsoft Outlook on your Windows 11/10 PC, you might receive a server message that says “A specified logon session does not exist; it may already have been terminated for long periods.” This message can also appear when you’re trying to sign in to your OneDrive account. If you see this message, it means that your Outlook account has been disconnected from the server for a long period of time. To fix this, you’ll need to sign in to your account again.

Delete all files from the Accounts folder
Create a new Registry key ‘DisableADALatopWAMOverride’
Create a new Registry key ‘EnableADAL’.

The method requires you to change the Registry Editor entries. Please note that if you change them incorrectly, it can cause serious problems. So, please back up your Registry before doing so.

Delete all files from the Accounts folder

Navigate to the following Explorer location:

%LOCALAPPDATA%\Packages\Microsoft.AAD.BrokerPlugin_cw5n1h2txyewy\AC

Here if you see \Token Broker\Accountsfolder then delete all the contents of the Accounts
Restart your PC and re-create an Outlook profile.
Did this help? If not, then proceed.

Create a new Registry key DisableADALatopWAMOverride

Open the Registry Editor and navigate to the following path address –

HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\Identity

Switch to the right-panel window. Create a new key with the following name: DisableADALatopWAMOverride (DWORD 32-Bit value).

Double-click on the value to change its Value Data from ‘0’ to ‘1’.

If this helps, great, else create another key.

Create a new Registry key EnableADAL

In order to enable ADAL for your application, you will need to add a new key to the registry. To do this, follow the same path as the original key, and create a new key called “EnableADAL.” This new key should be a DWORD 32-Bit value.

When created, double-click the entry and set its value to ‘0’.

Finally, try restarting Windows and creating a new Outlook profile to see if the problem is solved.