GP Client Error: Gateway Protocol Error, Check Server Certificate

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Issue

After configuring Global Protect, installing the client and trying to connect, the following error occurs on the GP Client:

GP Client Error: Gateway xx.xx.xx.xx : Protocol Error, Check server Certificate.

10-10-2012 8-50-10 AM.png

 

Resolution

To fix this issue, check for the following:

  • Incorrect time settings on the firewall.
  • Check the certificate's validation dates (valid from and valid until) to make sure the date range is correct.
  • Check the Time Setting on the firewall. Use NTP if the time stamp isn't accurate.

 

owner: vvasilasco

Comments

I have had the same issue which turned to be communication problem to the GW.