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What are HTTP status codes in Active IQ Unified Manager?

Last Updated:

Applies to

  • OnCommand Unified Manager (OCUM)
  • Active IQ Unified Manager (AIQUM)


  • When you load the Unified Manager web page, the Unified Manager server will return the most appropriate HTTP status codes as defined in the HTTP/1.1 standards.
  • You might receive one of the following HTTP codes:
    • 200 OK
    • 400 Bad Request
    • 401 Unauthorized
    • 403 Forbidden
    • 404 Not Found
    • 500 Internal Server Error
    • 503 Service Unavailable.
  • In the following table you can find a short explanation of each HTTP code and its meaning for the Unified Manager server. 
Status Code Description
200 OK  Returned in response to all successful API requests on the URIs exposed by Unified Manager. The representations of the requested resource(s) are in the response body.
400 Bad Request Unified Manager could not interpret the request, also applies to REST APIs.
401 Unauthorized  The Unified Manager request did not contain a valid authorization token. 
403 Forbidden User is not authorized to access the resource or execute the method on the resource. Typically happens when Unified Manager user does not have necessary roles. 
404 Not Found The requested resource is not available on the Unified Manager Server. For storage resources this may happen if the configuration data cache is not yet refreshed from the storage system. 
500 Internal Server Error The Unified Manager server experienced and internal error when processing the request. E.g. database service is not available or there is a communication error when accessing one of the internal services like "ocum" or "ocie" etc. 
503 Service Unavailable  Indicates the Unified Manager server is overloaded with requests. 


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