GlobalProtect Agent, PostRequest failed with error code 12007

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L2 Linker

GlobalProtect Agent, PostRequest failed with error code 12007

Hi, my customer can't access vpn, the agent log show that there's an error "PostRequest failed with error code 12007"

It happens with some users, but my PC and VMware can access it so this should not be configuration error on firewall device.

then I go Wireshark on the client seeing no traffic destine for the IP of SSL VPN Portal and Gateway. so it could be the bug with TCP/IP stack ?

and also error can associated with MS error code or not ?

Error Messages
ERROR_WINHTTP_NAME_NOT_RESOLVED
12007

The server name cannot be resolved

Picture 2.png


Accepted Solutions
L2 Linker

Can you do a DNS lookup for the portal FQDN?

Yes, It can.

Can you try using the ip address instead of the FQDN?

I have tried, but it also not works.

PS.Now, after I have uninstalled (use tools) then it's ok

View solution in original post


All Replies
L5 Sessionator

The error message you received "ERROR_WINHTTP_NAME_NOT_RESOLVED", the client failed to resolve the FQDN of the portal. Can you do a DNS lookup for the portal FQDN? Can you try using the ip address instead of the FQDN?

L2 Linker

Can you do a DNS lookup for the portal FQDN?

Yes, It can.

Can you try using the ip address instead of the FQDN?

I have tried, but it also not works.

PS.Now, after I have uninstalled (use tools) then it's ok

View solution in original post

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