How to Fix “Name Not Matching Error” in Outlook?

Ritu Roy | File Repair Forensics How to's Outlook Software Technology | 3 minutes read | Last updated on February 8th, 2023,

Many user have complained that while choosing a name in Outlook, they have faced an error stating, “The action cannot be completed. The name cannot be matched to a name in the address list.” It mostly occurs when a user, try to add a new user mailbox to the Exchange Server from the Outlook client Auto discovery.

A warning box will show “The action cannot be completed. The name cannot be matched to a name in the address list”.

If you are one such users who is facing this issue and searching the solution to this error and problem, well, you have landed on the right place. Here, you will get the manual and professional solution and reasons why “name not matching error” happens. Keep reading the blog until the end.

Reasons for “Name Not Matching Error” in Microsoft Outlook

Here are the main possible reasons for the existence of this issue.

When you operate Microsoft Exchange Analyzer app, this might trigger the problem.

When the user account is not related to the mailbox or it has been manually configured to be hidden from the GAL, this error also happens.

Non-appearance of Active Directory with the Exchange Recipient services can also push this issue.

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How to solve this error?

To solve the “name not matching error” in Outlook, you need to follow a few steps in the Exchange admin center. For this, you first require to ensure that the user’s mailbox exists and the user is visible in the address list. To complete it, follow the below discussed steps:

Open and sign in the Exchange Admin Center.

There you need to choose the Recipients.

Now, go to the Mailboxes and locate the user.

After that, double click on the user account and uncheck the box Hide from address lists.

When the user is made visible, try to do it again and check if it solved the issue; for this, follow the below-listed steps:

Open Outlook to make a profile

Sign in as a user in MS Outlook

Again, open Exchange Admin Center.

Now, again choose Recipients > mailboxes and locate the user.

Press the User Account and check the box hide from address lists.

Once this doesn’t work for you, you may need to do it another way, by clearing credentials and then repairing the Office application. Let’s first start with clearing credentials; for that, follow the steps listed below:

First of all, run MS Outlook and go to File then take the Office Account from the menu.

From the user account info section, click on the sign out option and logout from all the current accounts.

Now, close all Office applications running on your machine.

Search the credential manager from the Start menu of the device.

Open and hit on Windows Credentials.

Then, remove all login details of Office accounts.

Press the Win + R key, and in the search box, type Regedit and press the Ok button.

Once Registry Editor appears, go to


Now erase the identity folder.

At last restart the machine.

Tips: Repairing the office apps will help you to fix the name not matching error in Outlook.

Once the machine opens it will repair the Office app. hopefully, the account will work properly and this will resolve the issue of “Name Not Matching Error”. In many cases, this solution helps and fix the problem of users. In case, you are not lucky enough, go for the automatic solution. Using an OST Converter Tool can solve the corruption issues related to the OST file or Outlook Converter tool from the CubexSoft is one of the best software available on the digital market.