1. Login to Nagios.
2. Click on the user name on the far right.
3. Copy the API key from the 'API Key' field.
4. In the adapter configuration in vROps, click + to add a new credential, or the pencil icon to edit an already created credential.
5. Paste the API key into the 'API Key' field and click OK. Make sure to fill out any other required fields.
6. Run a test connection.