An error occurred while trying to connect to NCC server

When trying to enable System Update Entitlement in ZCC > Configuration > Infrastructure Management > System Update Settings > System Update Entitlement, getting the following:

ERROR: An error occurred while trying to connect to NCC server.






The following can be found in the zcc.log on the primary server (Linux: /var/opt/novell/log/zenworks/  Windows: %ZENWORKS_HOME%\logs\). See Additional Information for full stack trace:

ERROR: 13 Feb 2012 09:45:05 Exception occured
com.novell.zenworks.systemupdate.exceptions.UpdateEntitlementException: Read timed out

1. Restart the ZENworks services (novell-zenworks-configure -c Start)
   
2. Submit System Update Entitlement information again

13 Feb 2012 09:45:05 ============== Exception (begin) ===========================
13 Feb 2012 09:45:05 Exception occured
com.novell.zenworks.systemupdate.exceptions.UpdateEntitlementException: Read timed out
    at com.novell.zenworks.systemupdate.SystemUpdateNCCActivation.registerWithNCC(SystemUpdateNCCActivation.java:158)
    at com.novell.zenworks.systemupdate.SystemUpdateNCCActivation.registerWithNCC(SystemUpdateNCCActivation.java:80)
    at com.novell.zenworks.admin.pages.settings.SUMaintenanceConfigureDialog.activateMaintenance(SUMaintenanceConfigureDialog.java:86)
    at com.novell.zenworks.admin.pages.settings.SUMaintenanceConfigureDialog.validateActivationCode(SUMaintenanceConfigureDialog.java:51)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:592)
    at com.novell.web.controls.CustomValidator.evaluateIsValid(CustomValidator.java:148)
    at com.novell.web.controls.BaseValidator.validate(BaseValidator.java:298)
    at com.novell.web.controls.Page.validate(Page.java:398)
    at com.novell.web.controls.BasePostbackControl.isRequestValid(BasePostbackControl.java:515)
    at com.novell.web.controls.Button.raisePostBackEvent(Button.java:471)
    at com.novell.web.controls.Page.raisePostBackEvent(Page.java:1039)
    at com.novell.web.controls.Page.raisePostBackEvents(Page.java:1026)
    at com.novell.web.controls.Page.internalProcessRequest(Page.java:720)
    at com.novell.web.controls.Page.processRequest(Page.java:664)
    at com.novell.zenworks.fw.web.internal.layout.Index.processRequest(Index.java:613)
    at com.novell.web.internal.controls.PageTag.doEndTag(PageTag.java:86)
    at org.apache.jsp.jsp.index_jsp._jspService(index_jsp.java:181)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:342)
    at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
    at com.novell.web.NJWCServlet.serviceImpl(NJWCServlet.java:97)
    at com.novell.zenworks.fw.web.internal.ZENworksServlet.service(ZENworksServlet.java:84)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.patchlink.sapphire.web.pages.vulnerability.session.HibernateSessionFilter.doFilter(HibernateSessionFilter.java:75)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:563)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at com.novell.zenworks.tomcat.ZENRequestValve.invoke(ZENRequestValve.java:1278)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
    at java.lang.Thread.run(Thread.java:595)
13 Feb 2012 09:45:05

Exception Info:
13 Feb 2012 09:45:05     Class....... com.novell.zenworks.systemupdate.exceptions.UpdateEntitlementException
13 Feb 2012 09:45:05     Message..... Read timed out
13 Feb 2012 09:45:05     Logged at... SUMaintenanceConfi..108
13 Feb 2012 09:45:05 ============== Exception (end) =============================