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Set-MailboxFolderPermission – There is no existing permission entry found for user

Set-MailboxFolderPermission is an excellent cmdlet to set calendar access rights with PowerShell. We can use that on the Exchange on-premises organization or Exchange Online organization. After we run the Set-MailboxFolderPermission cmdlet, the error shows that there is no existing permission entry found for user. In this article, you will learn why this is happening and the solution for there is no existing permission entry found for user.

There is no existing permission entry found for user

Before we run the command, let’s start the management console:

We like to give the user Grace Rees editor rights to Amanda Morgan’s calendar. Let’s run the cmdlet Set-MailboxFolderPermission. After running the cmdlet, we see that the output gives us the error: There is no existing permission entry found for user: Grace Rees.

[PS] C:\>Set-MailboxFolderPermission -Identity "Amanda.Morgan@exoip.com:\Calendar" -User "Grace.Rees@exoip.com" -AccessRights Editor
There is no existing permission entry found for user: Grace Rees.
    + CategoryInfo          : NotSpecified: (:) [Set-MailboxFolderPermission], UserNotFoundInPermissionEntryException
    + FullyQualifiedErrorId : [Server=EX01-2016,RequestId=480d0c12-0304-466c-af1e-c1487ad3e9cf,TimeStamp=3/21/2021 12:21:13 PM] [Fai
   lureCategory=Cmdlet-UserNotFoundInPermissionEntryException] EB810C8E,Microsoft.Exchange.Management.StoreTasks.SetMailboxFolderPe
  rmission
    + PSComputerName        : ex01-2016.exoip.local

Why are we getting this error and what is the solution for there is no existing permission entry found for user?

Check calendar permissions

Check with the Get-MailboxFolderPermission cmdlet if the user Grace Rees already has access rights to Amanda Morgann’s calendar. After running the cmdlet, we can see that’s not the case.

[PS] C:\>Get-MailboxFolderPermission -Identity "Amanda.Morgan@exoip.com:\Calendar" | ft Identity,FolderName,User,AccessRights

Identity                                             FolderName User      AccessRights
--------                                             ---------- ----      ------------
exoip.local/Company/Users/IT/Amanda Morgan:\Calendar Calendar   Default   {AvailabilityOnly}
exoip.local/Company/Users/IT/Amanda Morgan:\Calendar Calendar   Anonymous {None}

Solution for there is no existing permission entry found for user

The solution is to use the Add-MailboxFolderPermission cmdlet when there are no access rights in place for that user. If there are already access rights available for that user, we can use the Set-MailboxFolderPermission.

[PS] C:\>Add-MailboxFolderPermission -Identity "Amanda.Morgan@exoip.com:\Calendar" -User "Grace.Rees@exoip.com" -AccessRights Editor

FolderName           User                 AccessRights
----------           ----                 ------------
Calendar             Grace Rees           {Editor}

Verify calendar permissions

Use the Get-MailboxFolderPermission cmdlet to verify the calendar access rights.

[PS] C:\>Get-MailboxFolderPermission -Identity "Amanda.Morgan@exoip.com:\Calendar" | ft Identity,FolderName,User,AccessRights

Identity                                             FolderName User       AccessRights
--------                                             ---------- ----       ------------
exoip.local/Company/Users/IT/Amanda Morgan:\Calendar Calendar   Default    {AvailabilityOnly}
exoip.local/Company/Users/IT/Amanda Morgan:\Calendar Calendar   Anonymous  {None}
exoip.local/Company/Users/IT/Amanda Morgan:\Calendar Calendar   Grace Rees {Editor}

The calendar permissions are set. This time we didn’t get the error: there is no existing permission entry found for user.

Read more: Manage calendar permissions with PowerShell »

Conclusion

In this article, you learned why you get there is no existing permission entry found for user error. The solution is to use the Add-MailboxFolderPermission cmdlet instead of the Set-MailboxFolderPermission because you need to add new user permissions to the calendar.

Did you enjoy this article? You may also like Set default calendar permissions for all users with PowerShell. Don’t forget to follow us and share this article.

ALI TAJRAN

ALI TAJRAN

ALI TAJRAN is a passionate IT Architect, IT Consultant, and Microsoft Certified Trainer. He started Information Technology at a very young age, and his goal is to teach and inspire others. Read more »

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