diff -Nur e-smith-ibays-2.2.0/root/etc/e-smith/events/actions/ibay-modify e-smith-ibays-2.2.0_mod/root/etc/e-smith/events/actions/ibay-modify
--- e-smith-ibays-2.2.0/root/etc/e-smith/events/actions/ibay-modify	2011-10-26 13:34:00.000000000 +0200
+++ e-smith-ibays-2.2.0_mod/root/etc/e-smith/events/actions/ibay-modify	2011-10-26 13:36:03.000000000 +0200
@@ -133,7 +133,7 @@
     system("/usr/sbin/cpu", "-C/etc/cpu-system.conf", "usermod", "-L", $ibayName) == 0
         or ( $x = $ldapauth ne 'enabled' ? $x : 255, warn "Error locking (ldap) account $ibayName" );
 }
-elsif ($event eq 'ibay-modify')
+elsif ($event eq 'ibay-modify' and $ibayName ne 'Primary')
 {
     #------------------------------------------------------------
     # Modify ibay description in /etc/passwd using "usermod"