VPN Error 800 Windows 7


I have a client getting error 800 when attempting to connect to VPN. Other users are able to connect to VPN just fine.

In the error log, I was able to find that it is mapping error 807 instead of 651. However, he is having error 800 displayed. No where in the log can I find error 800.
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DtdileoAuthor Commented:
I'll give the employee a call today and get to work testing that out.
DtdileoAuthor Commented:
Got it displaying error 807 now. One error down, another to go, aparantly. ANybody have any ideas?
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Could be a firewall port restriction problem
1.    Check with your ISP and ensure that the needed ports are not blocked; you can also take this computer to some other network to see if it works.
2.    Run the following command in an elevated command prompt to disable Windows Firewall and check the issue:
Netsh advfirewall set allprofiles state off
Note: you can turn back on with the command “Netsh advfirewall set allprofiles state on”.
3.    Add a firewall rule for the port 1723:
Add or Edit Firewall Rule
Firewall Rule Wizard: Scope Page
4.    If you have installed some other security software (firewall, anti-virus, anti-spyware, etc.) on the computers, please also temporarily disable or remove it and check if it works; you cal also create a rule to allow the ports to have a try.
5.    Please boot the computers to clean boot and check if there are any conflicts:

Finally check this post

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DtdileoAuthor Commented:
I have disabled McAfee's Firewall as well as put the computer in DMZ mode in the AT&T Router to verify that thats not an issue.

Could it still be the windows firewall?
Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
You have running two firewalls on the same PC?
DtdileoAuthor Commented:
No. One is on the router, one is on the PC itself.
Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
You are talking about McAfee and Windows Firewall, that confuses me.
DtdileoAuthor Commented:
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Windows 7

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