Troubleshoot Error Messages
Problem: Name or service not known error
This error is displayed as a tooltip when you hover the mouse over an error condition on an connector. An example follows; yours might look differerent.
Solution: Edit the connector and check for:
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A trailing slash on a host name
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(On-Prem Firewall Management Center adapter only.) A scheme at the beginning of a host name (for example,
https://
) -
Verify the password is correct
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For an On-Prem Firewall Management Center adapter, verify the contents of the FMC Server Certificate field.
For more information, see Manually Get a Certificate Authority (CA) Chain.
Problem: [X509 PEM lib]
This error is displayed as a tooltip when you hover the mouse over an error condition on a connector.
Solution: Edit the connector and check the CA chain. For more information, see Manually Get a Certificate Authority (CA) Chain.
Problem: Incorrect username or password
This error is displayed as a tooltip when you hover the mouse over an error condition on a connector.
Solution: Edit the connector and change the user name or password.
Problem: Authentication token not found in header
This error is displayed when you attempt to test the connection with an adapter user that does not have sufficient privileges on the management center:
Problem: Timeout or max retries error for an adapter
This error is displayed as a tooltip when you hover the mouse over an error condition on an adapter.
Solution: Do all of the following:
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Verify the management center is running.
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Verify the contents of the FMC Server Certificate field.
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Make sure the value you entered in the IP field exactly matches the certificate's Common Name.
For more information, see Manually Get a Certificate Authority (CA) Chain.