This Article Applies to:

Archer VR2100 V1, VR2100v V1, VR600 V3, VR400 V3, VR2800 V1

Issue Description:

After updating the OpenVPN client version, some users might be unable to connect to the OpenVPN server of DSL modem router, and OpenVPN client prompts "Authentication failed, and Server TLS version is too low".

Solutions:

1. For Archer VR2100 V1 and VR400 V3, please try installing the following beta firmware:

For VR2100 V1: Archer_VR2100_V1_1.8.0_Build_231114

For VR400 V3: Archer_VR400_V3_1.6.0_Build_231024

Note: Please be sure you have read the Terms and Conditions for TP-Link Beta Firmware before proceeding.

2. For all models, please open the OpenVPN Connect client >> click the three-line symbol in the upper left corner >> Settings >> Slide to the bottom to find the Advanced Settings >> Set Minimum TLS Version to TLS1.0, then test if it will be able to connect the OpenVPN Server properly.

If there is any further issue, please leave us your comment and provide the following information:

1) Model no., hardware and firmware version of your TP-Link DSL modem router

2) The version of your OpenVPN Client software

3) Screenshot of the error message and also the Minimum TLS Version