6

When i tried to remove a user completely from a site collection(Went to Site Groups--> groupId=0 and removed the user), the user got deleted from all the groups but he is still possessing permissions somewhere.

Any Ideas..?!!

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12

Go to http://siteUrl/_layouts/15/people.aspx?MembershipGroupId=0. From here, you can delete a user from the Site Collection.

It should be noted that the user will remain in the User Information List (dbo.UserInfo) table in the Content Database the Site Collection resides in. This is for referential integrity purposes. They are simply marked as deleted.

  • Could it be possible that some users won't appear in this list either? (E.g.: I have the same user twice (same DisplayName, but different UserLogin), and I can see there's 2 using powershell $web.AllUsers, but in the SharePoint page, I see only the good one. – Marc-André Sep 26 '17 at 13:22
4

You can also try using the below powershell

Add-PSSnapin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue

#Get the Root web
$web = Get-SPWeb "http://sharepoint.crescent.com/sites/operations"
#Supply the user account
$UserAccount = "Global\DaveP"
#Removes user from site collection
Remove-SPUser -Identity $UserAccount -Web $Web -Confirm:$False

Read more: http://www.sharepointdiary.com/2013/07/delete-users-from-site-collection-using-powershell.html#ixzz3zshUIaQT

2

It looks like the user is a site admin for this collection. You can check it in Center Administration or (if do not have access to central administration) with this simple code in csom.

using (var clientContext = new ClientContext("http://mysitecollection"))
{
    var user = clientContext.Web.EnsureUser("user1");
    clientContext.Load(user);
    clientContext.ExecuteQuery();

    Console.WriteLine("IsSiteAdmin: {0}", user.IsSiteAdmin);
}

PS. Another option - grant Full Control for user in Wep Appliction\User Policy (you need to have access to Central Administration).

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