Re: [Openvpn-users] "Authenticate/Decrypt packet error: packet HMAC authentication failed"

[James Y. <ji...@yo...>]

Charles Duffy <cd...@sp...> said:

> I'm running tunnels to three Windows XP-based tablets (running OpenVPN
> 1.5-beta7) off a single host (running OpenVPN 1.4.3), using identical
> configurations except for IPs and port numbers. Two of them work, one of
> them doesn't. The failing connection spits out a great many copies of
> the following message on the side of the (1.4.3-based) server:
> 
>   Authenticate/Decrypt packet error: packet HMAC authentication failed

This error happens if you are using different keys or different crypto options
on either end of the connection.

James