I cannot use WOL via ZCM on some servers. The following is displayed in services-messages.log:

Code:
[DEBUG] [4/15/11 11:25:22 AM] [] [QuickTask Service] [] [Error getting Quick Tasks] [] []
[DEBUG] [4/15/11 11:25:22 AM] [] [QuickTask Service] [] [com.novell.zenworks.datamodel.exceptions.DataModelUsageException: Unknown action type: WakeUp StatusAction
	at com.novell.zenworks.datamodel.services.actions.ActionAdminImpl.getActionDefinition(ActionAdminImpl.java:147)
	at com.novell.zenworks.webservice.quicktaskservice.QuickTaskService.getQuickTasks(QuickTaskService.java:235)
	at com.novell.zenworks.quickTaskService.QuickTasksPort_ServiceTieSkeleton.getQuickTasks(QuickTasksPort_ServiceTieSkeleton.java:35)
	at com.novell.zenworks.quickTaskService.QuickTasksPort_ServiceSkeleton._invoke(QuickTasksPort_ServiceSkeleton.java:116)
	at com.novell.soa.ws.server.ServletSkeleton.invokeEndPoint(ServletSkeleton.java:201)
	at com.novell.soa.ws.impl.soap.MessageHandlerInvoker.invokeServerMessageHandlers(MessageHandlerInvoker.java:347)
	at com.novell.soa.ws.impl.soap.SOAPHandler.handleServerRequest(SOAPHandler.java:85)
	at com.novell.soa.ws.impl.rpc.ServerDelegateImpl.handleServerRequest(ServerDelegateImpl.java:92)
	at com.novell.soa.ws.server.ServletSkeleton.handleRequest(ServletSkeleton.java:101)
	at com.novell.soa.ws.server.ServletSkeleton.doPost(ServletSkeleton.java:300)
	at com.novell.zenworks.webservice.quicktaskservice.QuickTaskServiceImpl.doPost(QuickTaskServiceImpl.java:71)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
	at com.novell.zenworks.webservice.lib.AuthenticationFilter.doFilter(AuthenticationFilter.java:176)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
	at com.novell.zenworks.webservice.lib.StatisticFilter.doFilter(StatisticFilter.java:77)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
	at com.novell.zenworks.tomcat.ZENRequestValve.invoke(ZENRequestValve.java:1302)
	at com.novell.zenworks.tomcat.ZENRequestValve.invoke(ZENRequestValve.java:1302)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
	at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
	at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
	at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
	at java.lang.Thread.run(Thread.java:595)
] [] []

using "wol" manually on the server does work.