How To Fix ‘Error Code 80090016’

Error Code 80090016

This article explains how to resolve Microsoft Office Outlook Exchange Error 80090016. A user swapping out the motherboard or a faulty TPM are both potential causes of this issue. Fortunately, this problem can be eliminated with the application of a few basic solutions. Here’s what the entire error message says:

Exchange Error 80090016 in Microsoft Office Needs Fixing.

Following these steps will resolve Microsoft Office Outlook Exchange Error 80090016.

Error Code 80090016

The BrokerPlugin Folder Must Be Renamed.

Files used by the AAD token broker plugin are encrypted Win64 EXEs. Attempting to load this file during Outlook’s startup could result in runtime issues. However, if you rename the file, you can undo any damage it may have done.

Log out of the concerned user account before proceeding. Here’s how to accomplish that goal:

Step 1: Launch File Explorer and go to the location specified below.


Step 2: For the Microsoft AAD Broker Plugin, look for the folder labelled “Microsoft.AAD.BrokerPlugin cw5n1h2txyewy.”

Step 3: To do this, rename the folder to Microsoft.AAD.BrokerPlugin cw5n1h2txyewy.old.

Step 4: When you’re done, restart Outlook to see if the problem has been resolved; you may be prompted to reenter your password.

Only if your device’s motherboard has been changed should you proceed.

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The Ultimate Fix for Damaged Password Pictures and Pins

When Windows is unable to create a PIN for your device, Outlook Exchange Error 80090016 may show up. The Ngc folder on the system drive is frequently the source of such problems.

An easy way to remedy this is to delete the Ngc folder and everything in it. The process consists of the following steps:

Step 1: Use the following address in File Explorer to get started.


Step 2: To permanently delete the selected files, use the Shift + Delete keys simultaneously.

Step 3: Open Sign-in Options from the Settings menu afterward.

Step 4: To add a PIN, select that option.

Step 5: Get rid of your old account and make a new one.

Turn off ADAL

ADAL is a component of the.NET framework that facilitates user authentication with an on-premises or cloud-based Active Directory installation. For some TPM-related issues, disabling it is the only solution. This is the method:

Step 1: To access the Run dialogue, use the Windows key plus R.

Step 2: Enter regedit into the search box.

Step 3: Assuming you’ve already launched the Registry Editor, proceed to the following path.


Step 4: A new DWORD (32-bit) Value, named EnableADAL, should be made in the right pane.

Step 5: You can edit the freshly added value by right-clicking on it.

Step 6: Fill out the Value Data field with 0 and hit Ok to commit the changes.

Step 7: Once you’ve finished, try restarting your device to see if the problem still persists.

In order to reactivate your account, please delete it and add it again.

Remove and re-add your Outlook account to see if it resolves the issue. Doing so can often resolve fleeting problems and hiccups. Find below the instructions for cancelling your membership:

  1. Launch Outlook and go to File.
  2. Select the account you wish to delete from Account Settings, and then click Remove.
  3. Now that you have added that account, see if the problem still exists.

Perspectives on Repairs

You may want to try fixing Outlook if none of these other solutions worked. Most users report success after using this method to fix the issue. How to do it:

Step 1: In order to access the Windows Settings menu, press Windows Key + I.

Step 2: Select Apps > Apps & Features from the menu.

Step 3: Then, locate the office supply you wish to alter, select it, and click the Modify button.

Step 4: Select Online Repair from the menu and proceed as directed.

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The Meaning of The 80090016 Error Code.

In most cases, the outlook error number 80090016 appears after a new motherboard has been installed in a device.

If the TPM is experiencing problems, this error may also appear. Changes can be made by renaming the file that contains the BrokerPlugin. We have enlisted some help to fix this problem, and we thought you should know.