Inability to Receive net messages after XP Service Pack 3

[stupomer]

Hello,
Anybody, after installing Windows XP Service Pack 3, having trouble with QM receiving messages sent to it via net command

Code:

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net (pc_ipaddress password "My FIrst Macro")

I am checking every possible parameter and can't get QM to receive messages.
It still is sending OUT messages properly via net command to a pc that hasn't been updated to SP3
I am also trying now to uninstall SP3 and see if that does the trick.
Will update.
Stuart