1. Search for TCA Setup.
2. Enter the TCA Base URL supplied by TCA.
3. Enter the TCA Client ID.
4. Paste the Client Secret into Enter New Client Secret.
5. Press Enter.
6. Confirm the page reports that the secret is stored.
7. Select Test Connection.
8. Confirm the TCA organization name and identifier are correct.
9. Turn on Enabled only after confirming the environment and organization.
The Client Secret is stored encrypted using Business Central Isolated Storage and is not shown again.
Do not combine credentials from one TCA environment with the base URL of another environment.