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KEMP001 - Kemp LoadMaster Authentication Failed

Agent error code #KEMP001 indicates that Knocknoc reached the Kemp LoadMaster but the username or password was rejected. The API returned HTTP 401 Unauthorized.

This is distinct from an authorization failure (#KEMP002), where the credentials are valid but the user lacks the permissions to manage the ACL.

Common causes include:

  • The Username or Password configured on the Knocknoc backend is wrong, or the password changed on the LoadMaster
  • The user account has been disabled or deleted
  • The user account does not have permission to use the API

Steps to Resolve

Re-enter the Credentials

  1. In the LoadMaster WUI, go to System Administration > User Management
  2. Confirm the user account is enabled and note its username
  3. Re-enter the Username and Password in the Knocknoc backend
  4. Save and retry

Confirm the Key Manually

  1. From a host that can reach the LoadMaster, run: curl -sk -u '<username>:<password>' 'https://<loadmaster-host>/access/aclcontrol?list=white&apiformat=json'
  2. A 401 response confirms the credentials are being rejected, independent of Knocknoc
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