diff --git a/Compare-ADGroup.ps1 b/Compare-ADGroup.ps1
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diff --git a/Get-ADUserGroup.ps1 b/Get-ADUserGroup.ps1
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+    <#
+    .SYNOPSIS
+        This function returns the list of the groups a user inherits from his token
+    .DESCRIPTION
+        
+This function searches the SIDs of groups inherited from a user and translates them into Ldap names based on the global catalog. The function works on a multi-domain forest
+    .PARAMETER user
+    The SamAccountName from user
+
+    .PARAMETER DomainController
+
+    A domain controller of the user domain that will execute the command. 
+    The domain controller must be a global catalog.
+    If it is not set the function, will determine a domain controller.
+
+    .EXAMPLE
+    Get-ADUserGroup -user pbarth -DomainController 2016dc1.htrab.lan
+
+    GroupDN                                                                      Nom                     
+    -------                                                                      ---                     
+    CN=Utilisateurs,CN=Builtin,DC=htrab,DC=lan                                   Utilisateurs            
+    CN=SDL-CT-Partage-Info,OU=Securite_Domaine,OU=Groupes,DC=htrab,DC=lan        SDL-CT-Partage-Info     
+    CN=SDL-R-Partage-Compta,OU=Securite_Domaine,OU=Groupes,DC=htrab,DC=lan       SDL-R-Partage-Compta    
+    CN=SDL-M-Imprimante-Direction,OU=Securite_Domaine,OU=Groupes,DC=htrab,DC=lan SDL-M-Imprimante-Dire...
+    CN=Utilisateurs du domaine,CN=Users,DC=htrab,DC=lan                          Utilisateurs du domaine 
+    CN=SG-Service-Informatique,OU=Securite_global,OU=Groupes,DC=htrab,DC=lan     SG-Service-Informatique 
+
+    .NOTES
+        Author:   Philippe BARTH 
+        Version:  1.0
+    #>
+
+    # Déclaration des paramètres 
+    param([string]$user,  [string]$DomainController = (Get-ADDomainController -Discover -Service GlobalCatalog).hostname)
+    
+    #
+    #gestion des erreurs
+    Trap 
+         {
+        
+         #continue
+         }
+    #Fonction
+    $userdn =(Get-ADUser $user -Server $DomainController).DistinguishedName
+    $liste_groupes = Get-ADUser -SearchScope Base -SearchBase $userdn -LDAPFilter '(objectClass=user)' -Properties tokenGroups -server $DomainController| Select-Object -ExpandProperty tokenGroups | Select-Object -ExpandProperty Value
+    $liste=@()
+
+    foreach ($g in $liste_groupes) 
+        { 
+        $GC=$DomainController+":3268"
+        $b= Get-ADGroup -filter { Sid -eq $g } -server $GC
+        
+        $r= New-Object -TypeName PSObject  -Property @{
+                        Name                   = $b.Name
+                        DN               = $b.DistinguishedName
+                    }         
+         $liste += $r                 
+        }
+        
+     
+return $liste