Please re download net extender Maybe you have to scrape the old version of the NetExtender from the system, sometimes the uninstaller leaves some files remaining which can cause weird issues. explicitly setting the Type of VPN property on Security tab to Point to Point Tunneling Protocol (PPTP). After installing NetExtender from the portal, it connects fine -- ONCE. Every user in this group can log into the VPN using thier AD credentials without an issue. The logs from the Sonicwall show "Authentication failed" for the user who was moved to a different OU. But if I move a user to a different OU the authentication fails even though they are still in the AD group that allows access through the VPN. I have deleted the account in Outlook Express 6 / Windows XP Pro / IE 8 and the message still ghosts every 5 minutes or so. One of my users is having problems with his NetExtender connection. This seems odd to me because the user name, password and domain are entered on the NetExtender client Click Accept at the bottom of the page to accept the changes Login using previously created Exiting NetExtender client Select F12 on the keyboard after login to the SonicWall, select on the Security and View certificate button Select F12 on. Open MMC and click File then Add or Remove Snap-ins. please check your username and password for the account orders=HFC. Start the service by clicking 'start' on I can connect from another machine with the same user without problems. Under User<Setting|Authntication|Disable Case Sensitive Usernames. Even after making these changes it doesn't work create a Local Test user and test on NetExtender. But then NetExtender was saying invalid login (,now logged in as AD user). Select radio button for Computer account. If your VPN server uses PAP authentication, replace require-mschap-v2 with require-pap. (seems that the first time didn't look very well xD) The solution is: ". Get the User to go to VPN port if not using 443) the Default it 4433.Edit the User group on the SonicWall as below and enable TOTP as the One-Time password method and click Apply and Ok. Sonicwall netextender verifying user authentication failed windows 8.1# and the log on the router shows: [timestamp] | Info | SSLVPN | Auth Failed: No user name in http request (message id: 1079) Confirm Local Computer then select on Finish, click OK. Select on Certificates and then Add. Authentication should not be an issue with VPN Portal Port. Back in NetExtender, the user enters their active directory username and password once again, but this time, they are not given any kind of prompts regarding the TOTP code. It seems that when this property is set to Automatic the WAN Miniport defaults to IKEv2 (and gets stuck if this is . and Mobile Connect with the error Failed to fetch the domain list from server. This transparent software enables remote users to securely connect and run any application on the company network. 4. 2. Created on July 31, 2010 authentication failed - Alert PopUp Message authentication failed. NetExtender connection failed." The error started occurring after our ISP have upgraded the speed at that location or so staff at location claims. NetExtender Users may either authenticate as a Local User on the SonicWall or as a member of an . It doesn't seem to have any real repeatable behavior and because it connects and operates fine once, it seems like some sort of timeout/refresh issue in the Sonicwall rather than a configuration issue? 3. Verify the Username and Password of the User. Under SSLVPN|Server Setting page confirm the SSLVPN Port and User Domain. After that, attempting to reconnect gives Verifying user.authentication fail! Search: Sonicwall Netextender Authentication Failed . ISP have replaced their modem during upgrade, but claim they haven't changed a thing either. What should be happening according to that article is that NetExtender should pop up asking for the TOTP code, but this doesn't happen. In this topic,we will look how to setup netextender sonicwall vpn. The authentication code is a set of 8 characters in the format XXXX-XXXX. SafeNet (3rd party token software) was showing successful login, but the SonicWall was saying "invalid username and password ldap" for the AD user. Never had the check mail set for under 30 minutes. Netextender with the error Verifying userauthentication failed! Customers using NetExtender and Windows 10 may experience the following error message:Damaged version of net extender detected on your system. Step 3: After Install open the NetExtender and connect the VPN. I have found the solution on another post. Answers. 1. @BWC KaranM Nothing else have changed on the user end or the SSL VNP setup on the Sonicwall. 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