--- title: "Troubleshooting" description: "Solutions to common problems." lead: "Solutions to common problems." date: 2021-07-21 15:48 lastmod: 2021-07-21 15:48 draft: false images: [] menu: docs: parent: "Help" weight: 541 toc: true --- ## Q: I just setup an instance but I am unable to login mCaptcha by default is configured to server at `localhost` hostname. If the instance is deployed at another hostname, please try setting `MCAPTCHA_SERVER_DOMAIN` environment variable to the hostname at which your instance is deployed or setting the equivalent in config.toml: ```toml [server] domain=mydomain ```