# The connector won't authorize or the OAuth flow fails

* Confirm your account has a [static subdomain](../../../docs/platform/about-platform/access-regions-ip-addresses.md). OAuth with MCP requires one.
* Verify the host in `API_ALLOWED_PREFIXES`, `OAUTH_TOKEN_ENDPOINT`, `OAUTH_AUTHORIZATION_ENDPOINT`, and `OAUTH_RESOURCE_URL` all match your MCP URL host exactly, and that the integration `ENABLED = TRUE`.
* AI features are enabled by default and admins can [turn them off or back on anytime](../../../docs/platform/manage-dbt-ai.md).
* Make sure remote MCP OAuth is available for your account plan.