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VPN tunnael failed error

I changed ISP and am not able to establish VPN connections. I can ping the address but it will not connect. I can connect to the address from a open internet connection using a cellular card. I am useing Windows 7 ultimate i am in a domain enviroment.
vpn-error.pdf
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UR308
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UR308
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1 Solution
 
xDUCKxCommented:
did you update your access lists with the new Public IP Address from your vendor?  Specifically the GRE Protocol and the PPTP port 1723
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UR308Author Commented:
where do I find the access lists?
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xDUCKxCommented:
Should be on your firewall/router at the site where your ISP changed.
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UR308Author Commented:
Just got ahold of the ISP and they said that port was being denied. but had to be handled by a different group. when change is made i will update.
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UR308Author Commented:
The router on the other end had propritary protocol the answer led us in the right direction thank you.
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