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VPN, 2003, authentication failure error 619

2003 server VPN users cannot access due to authentication failure. ISP did an update night before this began happening. Nothing changed on the network this just stopped working.

vpn error
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WORKS2011
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WORKS2011
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David Paris VicenteSystems and Comunications  Administrator Commented:
Your clients connect through IP or FQDN?

Maybe the DNS records on your public DNS are not correct or fully propagated because the ISP made some changes.

Can you confirm that your public name server is working and solving correctly the public names?

Your RRAS, Firewalls and every service between your internal domain controler and Internet are running and working with out issues?

Regards
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WORKS2011Austin Tech CompanyAuthor Commented:
Your clients connect through IP or FQDN?
both

Maybe the DNS records on your public DNS are not correct or fully propagated because the ISP made some changes.
this has been working for 7+ years.

Can you confirm that your public name server is working and solving correctly the public names?
yes

Your RRAS, Firewalls and every service between your internal domain controler and Internet are running and working with out issues?
yes
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MaheshArchitectCommented:
Have you checked with ISP end what changes they had done on which front

Does all users are facing issues or only few users ?

Mahesh
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WORKS2011Austin Tech CompanyAuthor Commented:
Checked with ISP twice they confirmed it's not related and using bridge mode

All users.

If it helps I can connect with a MAC.
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David Paris VicenteSystems and Comunications  Administrator Commented:
That's odd, if your Mac Client can connect the other also should connect.

Your users connect from a mobile modem, home network?

So please check:

If two or more VPN clients are installed on the computer, ensure only one is running to avoid conflicts. Check both for running applications and also for Windows services.

Firewalls and antivirus programs may be running that block access to the VPN ports. Temporarily disable these to troubleshoot.

Try other standard repairs and troubleshooting steps - reboot the client computer, delete and re-install the VPN client configuration settings, and find others who have working setups to compare for network configuration differences .

And please check the security options of your VPN Client connection.

Regards
D.
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WORKS2011Austin Tech CompanyAuthor Commented:
turns out the ias.mdb on the server became corrupt, turning off routing and remote access, renaming and turning on RAS resolved the issue.
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WORKS2011Austin Tech CompanyAuthor Commented:
resolved myself thank you for the help EE, appreciated.
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