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VPN connection fails with error 800 on Windows 7 Home premium

Posted on 2010-09-08
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Last Modified: 2012-05-10
Trying to connect VPN  - My Op system is Windows 7 Home Premium
The thing is I could connect a couple of days ago but not now.
Nothing changed in the PC or user account.
The user is a admin

Tried disabling firewall, no change.
Tried a 3rd party vpn too( Open VPN client )  does not connect.


The XP PC in the home ( XP Pro ) can connect to this vpn no issues.



 VPN Error
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Question by:indikad
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Expert Comment

by:cornerit
ID: 33632633
Are you using the correct VPN server name? The server administrator provides this name.
Is the Internet / network connection to the server functioning properly? You should ping the server is not sure.
Is your network firewall blocking VPN connections? Port 1723 must be opened and Protocol 47 must be enabled in the firewall configuration settings
Does the server have too many clients already connected (VPN server connection limit exceeded)? The server administrator can check this, but it is not a common problem.

If you are using an L2TP VPN you will need “IPSEC Services” enabled and started under Control Panel, Administrative Tools, Services.
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Author Comment

by:indikad
ID: 33632659
cornerit:

1.   I am not partucllarly using L2TP  - it is set to Auto - so when the VPN conenctions failed L2TP was the last method it was trying so thats whay you see it
2. The IP address is correct   - the XP machine that can connect used this
3.  I Think I pinged it - but will check again.
4. With the port 1723 - should it be outbound or inbound ( or both) ?  Howdo you do the "Enabling of protocl 47" please ?
5. No the server does not ahve too many VPN clients conected - the XP can connect at the same time anyway. This has been going on fr days - so Server is ok.

Thanks for the attention, I will only have to test these again tonight ( 10.30 am now) since I am at work and this is the Home PC that I have the issue with.
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Author Comment

by:indikad
ID: 33644869
I cannot ping now!!!!!
But I can ping and connect with the XP machine
what could be going on ?
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Author Comment

by:indikad
ID: 33656348
Correction. with Win XP machine I cannot Ping. But CAN Connect VPN.
never could Ping from any machine.

I just tried connecting to another server but can vpn with the windows 7 machine.
But still this server does not connect - as said which it used to.

so the current situation is
can vpn with XP machine , cannot connect with Win 7 Home premium
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LVL 30

Expert Comment

by:captain
ID: 33660807
Hi

I had the same issue yesterday and the Tunnel error 800 was a bit of a red herring, if you specify L2TP in your security do you get a 789?

if so I would recommend you go to Computer
Right click Computer >Manage >Services

Restart services:
IKE and AuthIP IPsec Keying Modules
IPsec Policy Agent

This worked for me.

just a hunch...

capt.
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Author Comment

by:indikad
ID: 33669087
captainreiss - I will try just L2TP and see.
what bothers me is it was something that worked before and now not working!!
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LVL 30

Expert Comment

by:captain
ID: 33670501
We had a major blackout at our ISP and all users that had VPN tunnels open at that time could not reconnect even after the fault was corrected. Anyone without the live connection when it went down had no problems once the link was back up.

Strangely even a reboot of the PCs did not cure it. Only when the services were manually restarted did everything burst back into life.

It may be a wild coincidence but it is worth testing...
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Author Comment

by:indikad
ID: 33671927
captainreiss:

Installed Windows 7 Professional Ultimate
issue is same
stopped and manually restarted
IKE and AuthIP IPsec Keying Modules
IPsec Policy Agent

issue is still same
tried a diffrent internet connection - wireless card  - issue is same
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Author Comment

by:indikad
ID: 33671962
L2TP not works too
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LVL 30

Expert Comment

by:captain
ID: 33672115
Ok, so you now have installed a new OS?

How do you authenticate, PSK or certificates?
Have you configured NAT and LT2P in PolicyAgent?

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Accepted Solution

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indikad earned 0 total points
ID: 33707811
I appreciate all of your help with regards to this. I am now closing this as I have now started using a workaround ( connecting through  - another machine ) for now.
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