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AZTCOFW / TECHNICAL GUIDE

Routes will not push to a client

Troubleshooting OpenVPNTroubleshooting

When attempting to use the Local Network setting or a push statement to push routes to a client, and the client isn’t receiving them properly, a couple things could be happening:

  • Check that an SSL/TLS server setup is used with a Tunnel Network larger than a /30. The server mode in OpenVPN only takes effect when using a subnet large enough to contain multiple clients, such as a /24.
  • If the client is running on Windows 10 or similar, try running the client as Administrator. Some versions of the OpenVPN client require Administrator mode to apply routes to the client PC routing table.
  • When using a shared key setup, pushing routes will not work. Use the Remote Network boxes or route

statements on each side (both client and server) to direct traffic to subnets on the other end of the tunnel.

Imported from the AZTCOFW knowledge base on 2026-09-05. Historical guidance may refer to older software versions. Confirm applicability before changing a production system.

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