This monitor is used to test if a Citrix® Server or XenApp Server® is providing the Independent Computing Architecture (ICA) protocol on TCP 1494. The monitor opens a TCP socket and tests the greeting banner returns with ICA, otherwise the service is unavailable.

Monitor Facts

Class Name


Remote Enabled


Configuration and Use

Table 1. Monitor specific parameters for the CitrixMonitor
Parameter Description Required Default value


TCP port where the ICA protocol is listening.



This monitor implements the Common Configuration Parameters.

If you have configure the Metaframe Presentation Server Client using Session Reliability, the TCP port is 2598 instead of 1494. You can find additional information on CTX104147. It is not verified if the monitor works in this case.


The following example configures Meridian to monitor the ICA protocol on TCP 1494 with 2 retries and waiting 5 seconds for each retry.

<service name="Citrix-TCP-ICA" interval="300000" user-defined="false" status="on">
    <parameter key="retry" value="2" />
    <parameter key="timeout" value="5000" />

<monitor service="Citrix-TCP-ICA" class-name="org.opennms.netmgt.poller.monitors.CitrixMonitor" />