We would verify if the problem is with EEM not available
1/ Verify if you have EEM integrated
NX.env would contains
2/ Verify these two services are running on EEM server
CA iTechnology iGateway 4.7
CA Directory - itechpoz
3/ If EEM is up, check if EEM server is reachable.
To make sure EEM available when ServiceDesk will be started, we could start the EEM setvice in automatic mode and ServiceDesk service "automatic delayed"