Public folder sync1/7/2024 This will display output similar to that shown below, assuming no errors occur. \Remove-PFPermissionsFromSSV.ps1 -SSVOutput -TestMode:$True The script takes the lines from the log file, and for each line with a permission listed, it uses a command like the one below tog Get the folder permissions, find the offending permission entry, and then remove it: Get-PublicFolderClientPermission -Identity | Where | Remove-PublicFolderClientPermission -Confirm:$Falseĭownload the script from GitHub, and use it to first test what it can see to remove by using it in the following format. This is where the Remove-PFPermissionsFromSSV script comes in. The guidance on the Microsoft blog post doesn’t provide you much detail on how to use the log file to remove the permissions, and the guidance it does give doesn’t work on Exchange 2010. This is a problem because when the folder is migrated to Office 365, the permission cannot be re-applied as the user doesn’t exist anymore. This leaves just the security identifier (the SID) showing because it cannot be resolved to an actual user account. The orphaned ACL occurs when a user is deleted from Active Directory, but the permission is not removed from the Public Folder. Within the file we’ll see lines saying this folder permission needs to be removed for NT User. The script will generate a log file, named in the format SourceSideValidations_.log. In the example below, we’ll find issues using the Source Side Validation script, then use my script to remove the orphaned permissions.įirst, we’ll run the SourceSideValidation.ps1 script: One in particular, which we will solve later on in this article, relates to AD user accounts that do not have the correct Exchange attributes assigned.ĭespite the above, the Source Side Validation script will do a great job of providing a log file of issues you need to solve, and to help remove those orphaned permissions, I’ve created a script – RemovePermissionsFromSSV to use the log file as a input for permissions clean up. I’ve also found on Public Folder migrations that some issues do not get detected by the script. However, it doesn’t go as far as to assist with the removal itself. Microsoft’s Source Side Validation script, described in the blog post above, will generate a log file showing amongst other things, orphaned ACLs you need to remove. Therefore, it’s a good investment of your time to perform basic steps to check for and resolve these errors up-front. If you don’t perform any clean-up of orphaned permissions or fix other issues with your Public Folder structure beforehand, then you will experience synchronization errors when you perform the migration itself. When you perform a Public Folder migration from Exchange Server 2010 and newer to Office 365, a key step outlined in the Exchange Team Blog post Making your public folder migrations faster and more reliable is to ensure that you’ve performed clean-up prior to the migration.
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