@STEKA64 

Okay, I understand that you are trying to configure a WireGuard VPN client on your Deco Mesh system using Integrity VPN, but you keep getting an "Invalid IP address" error, even though the same configuration works fine on your stationary PC.

Here are some troubleshooting steps you can follow:

1. Verify the VPN Configuration:
• Double-check the VPN username, password, and IP address in the Deco app (Deco APP > MORE > VPN > VPN Client) to ensure all details are entered correctly.
• Try both scanning the QR code and importing the configuration file, as you have already done. If both methods fail, there may be a compatibility issue with the config file format or the IP address format.

2. Compare with a Working Device:
• Since your PC connects successfully, compare the configuration details on your PC with those entered in the Deco app. Look for any differences in the IP address format or other settings.

3. Check for Compatibility Issues:
• Some VPN providers use custom configuration files or non-standard IP address formats that may not be fully compatible with Deco's WireGuard implementation. Make sure the IP address provided in the config file is in a standard IPv4 format (e.g., 192.168.x.x).

4. If the Issue Persists:
• Please contact TP-Link support and provide the following information to help us diagnose the issue:
    a. Screenshots of your VPN Client configuration in the Deco app.
    b. The OpenVPN/WireGuard client config file (if possible).
    c. Export 'ALL' logs from the Deco web interface (http://tplinkdeco.net).

This information will help us investigate why the Deco Mesh system is rejecting the IP address, even though it works on your PC.

If you need further assistance, please let us know!