Error code 721

Question

I am unable to establish a connection with VPN through a Windows Server based remote access server, and when I try to do so, I will return error code: 721

I would greatly appreciate it if you could provide relevant information

Answer 1

Hello,

Thank you for posting in Q&A forum.

This issue is documented in the official Microsoft documentation, please refer to

Error when establishing a VPN connection - Windows Client | Microsoft Learn

If there are any misunderstandings, please let me know

Best regards，

Jill Zhou

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