TroubleshootingEdit online Use this information to learn about the NSM REST API message and HTTP status codes. Interpreting NSM service execution status codesWhen a service executes, the service execution response from NSM includes information about the status of the service.Interpreting HTTP status codes and NSM error codesIf an NSM client user runs an invalid command that results in an error, an HTTP status code and NSM error code are returned. The HTTP status code includes information about whether a request is received by the NSM server. The NSM error codes give an indication on why NSM failed the request.Checking the NSM REST API installationTo verify that the NSM REST API is installed correctly, complete two checks: request the /realm URI using the GET method and verify that the NSM CLI tool is installed.Checking NSM when Netcool Configuration Manager RecoversUse this information to understand how NSM deals with services when the Netcool Configuration Manager is shutdown and then started up again to recover from some system issues.Checking the Intelliden.log fileUse the Intelliden.log file for detailed error messages.Checking the log file for NSMUse SystemOut.log for gathering extra information on the execution of the command-line tools.Working with the database connection poolUse the database connection pool to adjust settings associated with service executions.Parent topic: Network Service Manager REST API referenceRelated tasksRunning the CLI tool