diff --git a/ADconnection.sh b/ADconnection.sh
index 67d5d1e..6b600ff 100644
--- a/ADconnection.sh
+++ b/ADconnection.sh
@@ -129,11 +129,17 @@ sudo touch /etc/ssh/login.group.allowed
 sudo echo "administrator"  | sudo tee -a /etc/ssh/login.group.allowed
 sudo echo "$NetBios"'\'"$myhost""sudoers" | sudo tee -a /etc/ssh/login.group.allowed
 sudo echo "$NetBios"'\'"domain^admins" | sudo tee -a /etc/ssh/login.group.allowed
+sudoersfile=$(cat /etc/sudoers.d/sudoes | grep $myhost)
+if [ "$sudoesfile" -eq "$myhost" ]
+then
+echo "Sudoersfile seems already to be modified.. skipping...."
+else
 sudo echo "administrator ALL=(ALL:ALL) ALL" | sudo tee -a /etc/sudoers.d/sudoers
 sudo echo "%$myhost""sudoers ALL=(ALL:ALL) ALL" | sudo tee -a /etc/sudoers.d/sudoers
 sudo echo "%domain\ users ALL=(ALL:ALL) ALL" | sudo tee -a /etc/sudoers.d/sudoers
 sudo echo "%DOMAIN\ admins ALL=(ALL) ALL" | sudo tee -a /etc/sudoers.d/domain_admins
 #sudo realm permit --groups "$myhost""sudoers"
+fi
 therealm=$(realm discover $DOMAIN | grep -i configured: | cut -d ':' -f2 | sed -e 's/^[[:space:]]*//')
 if [ $therealm = no ]
 then