Roger - news:OuOLQ6czFHA.2064@TK2MSFTNGP09.phx.gbl :

> Is there anyway of running two instances of Messenger 5.1 (with LCS
> 2005), logged on as different users; e.g. logged on as a user with
> his/her own name, and also separately logged on as a "function"; e.g.
> "Customer Service" ?

I don't know if this answers the question, but you can try:
Universal MSN Loader
http://www.ecognito.co.uk/multi_msn.htm