The steps below show how to resolve SAS EVM agent service that is not starting. When you start SAS EVM agent service these errors will then appear: The following are the errors in log files: <SAS Configuration>\Config\Lev1\Web\SASEnvironmentManager\agent-5.8.0-EE\log) 1) agent log 11-09-2020 11:54:52,124 EDT ERROR [AgentDaemonMain] [AgentDaemon@958] Critical error running agent java.lang.NoClassDefFoundError: org/codehaus/jackson/map/ObjectMapper at com.sas.grid.hyperic.sgmg.SASGridServerMeasurementPlugin.<clinit>(SASGridServerMeasurementPlugin.java:43) […]