# Help ID MulticastScheduler Error

**URL:** <https://forum.inductiveautomation.com/t/help-id-multicastscheduler-error/60524>\
**Category:** Ignition\
**Tags:** ignition81\
**Created:** [June 8, 2022, 9:38pm UTC](https://forum.inductiveautomation.com/t/help-id-multicastscheduler-error/60524 "2022-06-08T21:38:44Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![amarks](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/amarks/32/45610_2.png) [@amarks](https://forum.inductiveautomation.com/u/amarks)\
**Post date:** [June 8, 2022, 9:38pm UTC](https://forum.inductiveautomation.com/t/help-id-multicastscheduler-error/60524/1 "2022-06-08T21:38:44Z")

</div>

I’m getting a Multicast Scheduler error in my gateway logs and I’m not even sure where to start looking for a solution:

```auto
IOException thrown when using IP address 231.1.1.1 and send port 4445

java.net.NoRouteToHostException: No route to host: Datagram send failed
at java.base/java.net.DualStackPlainDatagramSocketImpl.socketSend(Native Method)
at java.base/java.net.DualStackPlainDatagramSocketImpl.send0(Unknown Source)
at java.base/java.net.AbstractPlainDatagramSocketImpl.send(Unknown Source)
at java.base/java.net.DatagramSocket.send(Unknown Source)
at com.inductiveautomation.ignition.gateway.multicast.MulticastScheduler.run(MulticastScheduler.java:243)
at com.inductiveautomation.ignition.common.execution.impl.BasicExecutionEngine$TrackedTask.run(BasicExecutionEngine.java:582)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.base/java.util.concurrent.FutureTask.runAndReset(Unknown Source)
at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)

```

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<div class="post-metadata">

**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [June 8, 2022, 9:41pm UTC](https://forum.inductiveautomation.com/t/help-id-multicastscheduler-error/60524/2 "2022-06-08T21:41:57Z")

</div>

You can turn the gateway multicast off if it’s not working for you:  
[https://docs.inductiveautomation.com/display/DOC81/Gateway+Settings#GatewaySettings-MulticastSettings](https://docs.inductiveautomation.com/display/DOC81/Gateway+Settings#GatewaySettings-MulticastSettings)