Cisco 1841 router, VPN passthrough not working, connection hangs on verifying un and pw

I have a very similar problem to the one posted below but it was never resolved on that thread. Cisco 1841 and VPN passthrough is not working. I have a staic nat command for the public to private IP and an access list on the outside interface that is permitting 1723, 500, gre to that public address. Please Help, Thanks.

http://www.experts-exchange.com/Hardware/Networking_Hardware/Routers/Q_23317401.html
johnw885Asked:
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John MeggersNetwork ArchitectCommented:
So you're trying to make sure you have the right holes punched in the ACL to allow a VPN tunnel through to terminate on a Windows server?  What you're permitting is PPTP, IKE and GRE.  Based on http://technet.microsoft.com/en-us/library/cc757501%28WS.10%29.aspx, you may also need Protocol 50 (ESP) and UDP 4500 (NAT-T) and UDP 1701 (L2TP).
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johnw885Author Commented:
Everything is work now, not sure what the issue was, maybe just needed a server restart.
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johnw885Author Commented:
Server needed restarted.
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