Mar 30, 2006
ERROR 721 VPN - Microsoft: Windows - Tek-Tips Dec 05, 2003 VPN Error – Here Are Some Common VPN Errors & Their Solution Please check your email for correct VPN credentials. 2. While typing credentials, ensure that ‘Caps Lock’ button is turned off and type Username and Password manually, do not copy/paste VPN/RASClient - The error code returned on failure is 720 Aug 30, 2016 How to fix VPN error codes (800, 442 & more) | Step guide
VPN Error 721 | Tech Support Guy
Aug 30, 2016 How to fix VPN error codes (800, 442 & more) | Step guide
May 16, 2006
Ok, I've tested the VPN from one of the PCs from the other domain which is at the remote site, and it has the same response - implying that there is a problem with that site as a whole, and not just the PCs trying to connect to the central site.