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Failed to find MAC address 00:60:73:xx:xx:xx in the system interfaces table - Sonic Wall TZ170

I'm trying to set up a GroupVPN access for home users on a Sonic Wall TZ170

I'm getting this error in the logs when I try and connect from a laptop to establish a VPN session to SonicWall:

Failed to find MAC address 00:60:73:xx:xx:xx in the system interfaces table

I've followed the recommendations from this workaround but no luck: https://www.fuzeqna.com/sonicwallkb/consumer/kbdetail.asp?kbid=3992

I've also tried from several machines /locations but no luck. I'm using the latest SonicWall VPN Client 4.2.6.0305
The peer is set up for VPN access and firewall rules have been enabled to allow VPN traffic.

Darr247

So, WAS the SonicWall Virtual Adapter disabled when you drilled down in Network Adapters of Device Manager and looked on the General tab of that adapter's Properties?

Because if it wasn't disabled, the problem should be one of the other causes listed.
(antivirus software, internal firewall, 3rd party VPN client, or the Global VPN Client software installed without full administrator rights.)

arms145

I'm having the same problem, using the latest GVC on Vista SP2. The SonicWall Virtual Adapter is disabled, so I enable it, then go to the GVC client and click Enable for my VPN connection. As soon as I click enable, I can see that the SonicWall Virtual Adapter is immediately disabled and the message "Failed to find MAC address ..." is written to the log. I've disabled McAFee and Windows Firewall. I have another Vista machine with an older GVC client that works and has worked for years, main difference is different firewall product (Symantec).

Darr247

Are you certain the Global VPN Client has administrator rights, then?

Vista and 7 are pickier about what they consider (and how they grant) full admin rights than previous versions of windows (still not as tight as Security Enhanced Linux, but improving). In vista even if you have checked the 'Run As Administrator' box in the Properties of the program's exe and shortcuts (Compatibility tab), the UAC should still notify you that it's requesting administrator rights when GVC starts; If you don't have that box checked on the Compatibility tab, it should prompt you for the admin credentials when GVC starts. I haven't confirmed those behaviors with win7 (not at home right now to try it), but the above messages both appear to be about vista.

arms145

I'm as certain as I can be that it has whatever admin rights are necessary. On my other Vista machine where it has always worked, I did not need to "Run as Admin" when installing or when running it, nor is anything checked in the compatibility tab. On this machine I've tried "Run as Admin" when installing and when running it, as well as completely uninstalling McAfee and disabling Win Firewall before installing, nothing helps. Strange.

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rmcgregor

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arms145

Thanks, I'll open a separate question for my issue, my GroupVPN settings are fine since it does work from other machines.