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Exchange 2007 (SP3) - Public Folders - permissions - recurse parameter

I was working with a user who wanted to rearrange public folders, moving some and deleting others as needed. He could do neither. I had not worked with public folders for a while, and even then, mostly for practice (certification exams), so it took me a while to solve the problem. This is what I did...

First, I checked his permissions:

[PS] C:\>Get-PublicFolderClientPermission -id "\Sales Email" -user jsmith | fl

Identity     : \Sales Email
User         : mynet.lan/staff/John Smith
AccessRights : {PublishingEditor}

Note the syntax:

- We can abbreviate -identity with -id or simply omit this parameter, since it is positional.
- The name of the folder, in quotes, must be preceded by a backslash.

Note: for confidentiality, I am replacing the real names with fictitious names.


I thought that the problem could be resolved by granting him "Owner" permissions.

[PS] C:\>Get-PublicFolder "\Sales Email" | Add-PublicFolderClientPermission -user jsmith -AccessRights Owner

First obstacle for this solution:

Add-PublicFolderClientPermission : The user,mynet.lan/staff/John Smith , already has some of the permissions (ReadItems, CreateItems, [...]) specified to be added on the public folder \Sales Email.  You cannot add a right that the user already has.

The current permission for mynet.lan/staff/John Smith is "ReadItems, CreateItems, EditOwnedItems, DeleteOwnedItems, EditAllItems, DeleteAllItems, CreateSubfolders, FolderOwner, FolderContact, FolderVisible".


After some unsuccessful attempts, I concluded that the best solution would be to remove the current permissions ("Publishing Editor") and then add the desired permissions ("Owner").

Of course, I do this after communicating with the user so I do not remove their permissions exactly when they might be working with the folders.

Here are the commands to remove permissions:

[PS] C:\>Get-PublicFolderClientPermission -id "\Sales Email" -user jsmith | Remove-PublicFolderClientPermission

There is a confirmation prompt and I confirm the operation.


Of course, this leaves the user in a worse situation than before, since they now have no permissions at all. We need to assign the new permissions immediately after, so it's a good idea to have our commands ready.

[PS] C:\>Add-PublicFolderClientPermission -id "\Sales Email" -user jsmith -AccessRights Owner

I verify the new permissions:

[PS] C:\>Get-PublicFolderClientPermission -id "\Sales Email" -user jsmith | fl identity,user,AccessRights

Identity  : \Sales Email
User      : mynet.lan/staff/John Smith
AccessRights : {Owner}


That should do the trick... or so I think.

Consulting the user, I learn that he can still not move and delete certain folders.

I suspect that public subfolders, unlike folders in the Windows file system, do not automatically inherit the permissions of their parent folder.

I run the "Get-PublicFolderClientPermission" on some of these subfolders and see that the user also has Owner permissions. But there are quite a few subfolders and it is possible he was granted Owner permissions to some subfolders and not to others.

I want a fresh start. But... how can I grant the user "Owner" permissions on all these subfolders if, indeed, permissions are not inherited?

This is where I use the -recurse parameter... with some effort.

I first try this:

[PS] C:\>Add-PublicFolderClientPermission "\Sales Email" -user jsmith -AccessRights Owner -recurse

Error:

Add-PublicFolderClientPermission : A parameter cannot be found that matches parameter name 'recurse'.

What's the problem?

Well, there is no -recurse parameter for the "Add-PublicFolderClientPermission" cmdlet:

[PS] C:\>get-command Add-PublicFolderClientPermission | fl

Name             : Add-PublicFolderClientPermission
CommandType      : Cmdlet
Definition       : Add-PublicFolderClientPermission [-Identity] <PublicFolderIdParameter> -User 
<PublicFolderUserIdParameter> -AccessRights <Collection`1> [-Server <ServerIdParameter>] [-DomainController <Fqdn>] [-Verbose] [-Debug] [-ErrorAction <ActionPreference>] [-WarningAction <ActionPreference>] [-ErrorVariable <String>] [-WarningVariable <String>] [-OutVariable <String>] [-OutBuffer <Int32>] [-WhatIf] [-Confirm]


On the other hand, the cmdlet get-publicfolder does have such a parameter:

[PS] C:\>get-command get-publicfolder | fl

Name                     : Get-PublicFolder
CommandType      : Cmdlet
[snip]
Get-PublicFolder [[-Identity] <PublicFolderIdParameter>] -Recurse [-ResultSize <Unlimited`1>] [-Server <ServerIdParameter>] [-DomainController <Fqdn>] [-Verbose] [-Debug] [-ErrorAction><ActionPreference>] [-WarningAction<ActionPreference>] [-ErrorVariable <String>] [-WarningVariable <String>] [-OutVariable <String>] [-OutBuffer<Int32>]


So let's try this:

[PS] C:\>Get-PublicFolder "\Sales Email" -recurse | Get-PublicFolderClientPermission -user jsmith | Remove-PublicFolderClientPermission

I confirm the operation (I've edited out the verbiage here) and the permission changes on the folder and each of the subfolders displays on the screen:

Identity                         User              AccessRights
--------                         ----              ------------
\Sales Email             mynet.lan/staff/John Smith {Owner}
\Sales Email\2005 Email  mynet.lan/staff/John Smith {Owner}
[snip]


This solved the problem... for the most part. There were still some subfolders that, for some strange reason, could not be moved. For those, I created comparable subfolders in the target location, copied the content (emails) from the old to the new location, and then, after confirming with the user, deleted the original subfolders.
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