I have now put this in:
 Code:
IF INGROUP ("P_arena_103")
	KeyExist("HKEY_CURRENT_USER\Printers\Connections\,,AS-01,Arena_103_Blanco\standaard")
	if @error="0"
	  ADDPRINTERCONNECTION("\\$ASERVER\arena_103_blanco") ? "Arena_103_Blanco nieuw geinstalleerd"
	endif

What this does is check for a value in the registry, if it is there, it will skip. I have tried this on my own account, so i only did the printers that i have connected, not the ones that i don't have, but are checked every run. I think i have to do the same for all the delprinterconnection commands as well... Will try and test more tomorrow or later this week
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Still thinking about a good signature