You find an application error occurs when trying to access Status > Hosts > Software and Services after configuring Quarantine Server roles:
Application Error
The application encountered an error. If you are the administrator, please check the log files for details.
The logs show similar to the following:
Jun 13, 2023 10:58:23 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [flowServlet] in context with path [/brightmail] threw exception [java.lang.NullPointerException] with root cause
java.lang.NullPointerException
at com.symantec.smg.controlcenter.monitoring.ServicesFlow$RetrieveTask.exec(ServicesFlow.java:285)
at com.symantec.smg.controlcenter.internal.flow.FlowTask.run(FlowTask.java:87)
System is configured with multiple Quarantine Servers in Administration > Configuration
Multiple quarantine servers is not supported but was not disallowed by the Add Scanner wizard. Removing the unused quarantine servers resolves this issue.