# Issue with elasticsearch update 5.0.0-alpha5

**URL:** <https://discuss.elastic.co/t/issue-with-elasticsearch-update-5-0-0-alpha5/71963>\
**Category:** Elasticsearch\
**Created:** [January 18, 2017, 9:39am UTC](https://discuss.elastic.co/t/issue-with-elasticsearch-update-5-0-0-alpha5/71963 "2017-01-18T09:39:03Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![mainec](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/mainec/32/5557_2.png) [@mainec](https://discuss.elastic.co/u/mainec)\
**Post date:** [January 18, 2017, 9:44am UTC](https://discuss.elastic.co/t/issue-with-elasticsearch-update-5-0-0-alpha5/71963/2 "2017-01-18T09:44:41Z")

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From the exception you posted here:

> [@ll75006](#):
>
> java.lang.IllegalStateException: Received message from unsupported version: [2.0.0] minimal compatible version is: [5.0.0-alpha5]

I think you are running into the same issue discussed here:

> [@Received message from unsupported version: \[2.0.0\] minimal compatible version is: \[5.0.0\]](https://discuss.elastic.co/t/received-message-from-unsupported-version-2-0-0-minimal-compatible-version-is-5-0-0/64708):
>
> When I am starting elastic server, I am continously getting the below exception: java.lang.IllegalStateException: Received message from unsupported version: [2.0.0] minimal compatible version is: [5.0.0] at org.elasticsearch.transport.TcpTransport.messageReceived(TcpTransport.java:1199) ~[elasticsearch-5.0.0.jar:5.0.0] at org.elasticsearch.transport.netty4.Netty4MessageChannelHandler.channelRead(Netty4MessageChannelHandler.java:74) ~[transport-netty4-5.0.0.jar:5.0.0] at io.netty.channel.Abst…

To quote from the thread: "You probably have a Node or a Transport client somewhere running 2.0.0 which is trying to communicate with your node which is running 5.0.0?"

Hope this helps,  
Isabel

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