Connector Error Messages

The following is not supported in Tenable FedRAMP Moderate environments. For more information, see the Tenable FedRAMP Product Offering.

The following table lists common connector error codes and their associated user-facing messages. The messages and recommended actions appear in the following locations:

Example:

Error Code Message Recommended Action
400 Request from server failed. Check that all details in the connector credentials section are correct. If the issue persists, please contact support.
401 Request from server denied; authentication failed. Check the username, password, and authentication method in the connector credentials.
403 Request from server denied; access denied. Make sure the account used in the connector set-up has sufficient permissions.
404 Request from server failed. Check that all details in the connector credentials section are correct. If the issue persists, please contact support.
408 Request from server failed; timed out. Make sure the vendor service is available and try again later.
409 Request from server failed; conflict detected. Verify that the connector is not syncing duplicated or conflicting resources.
426 Request from server failed; timed out. Make sure the vendor service is available and try again later.
428 Request from server failed; timed out. Make sure the vendor service is available and try again later.
429 Request from server failed due to too many requests. Check the rate limits and try again later.
500 Connection to server failed. Make sure the vendor service is available and try again later.
501 Connection to server failed; not supported. Verify the API version and supported methods.
502 Connection to server failed. Make sure the vendor service is available and try again later.
503 Connection to server failed. Make sure the vendor service is available and try again later.
504 Connection to server timed out. Make sure the vendor service is available and try again later.
505 Request from server failed; not supported. Verify the API version compatibility. If the issue persists, contact support.
507 Request from server failed due to insufficient storage to process the request. Try again. If the issue persists, contact support.
508 Request from server failed; detected a processing loop. Try again. If the issue persists, contact support.
511 Request from server denied; authentication failed. Check the username, password, and authentication method in the connector credentials.
GRAPHQL_VALIDATION_FAILED Request from server failed. If the issue persists, contact support.
BAD_USER_INPUT Request from server failed. If the issue persists, contact support.
UNAUTHENTICATED Request from server failed. Verify that all details in the connector credentials section are correct.
FORBIDDEN Request from server failed. Verify that all details in the connector credentials section are correct.
INTERNAL_SERVER_ERROR Request from server failed. If the issue persists, contact support.
PERSISTED_QUERY_NOT_FOUND Request from server failed. If the issue persists, contact support.
RATE_LIMITED Request from server failed. Check the rate limits and try to sync again later.
SERVICE_UNAVAILABLE Request from server failed. Verify connectivity by testing the API endpoint directly (e.g., using CURL).
ENOTFOUND Request from server failed. Verify that all details in the connector credentials section are correct.
SSL_ERROR Request from server failed. Verify that all details in the connector credentials section are correct.
Not applicable Internal Error Our team has been notified and is working to resolve the issue. Your data will be processed with the next successful sync.