|Applies To||Microsoft Windows 95|
Microsoft Windows NT 4.0
|Issue||Authenticate with Dial up networking|
Dial Up Networking error code 721 (error connecting to ppp pier or ppp pier not responding)"
|Resolution||Check the user's client dialup configuration setting and make sure that the Post Dialup Windows box is checked. Also, make sure that the user has rebooted the machine after enabling the Post Dialup Windows.|
|Legacy Article ID||1.0.163926.2230993|