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MQSeries.net Forum Index » IBM MQ Installation/Configuration Support » Installing MQC8 without uninstalling existing MQ Server V6

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pandeg
PostPosted: Mon Aug 31, 2015 9:54 am    Post subject: Installing MQC8 without uninstalling existing MQ Server V6 Reply with quote

Disciple

Joined: 21 Oct 2014
Posts: 195

Hi, I want to install MQC8 without uninstalling existing MQ Server 6 from the linux machine. This is required to revert back the changes for connecting application to previous version of MQ 6 , if MQ8 client is not working. Currently , I had to uninstall MQ Server 6 before installing MQC8 on the machine.
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mqjeff
PostPosted: Mon Aug 31, 2015 10:13 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447

The earliest version of MQ that supports coexistance is MQ v7.0.1.

If you are lucky you might be able to install the MQ v8 client into a separate directory than the v6 client. But I doubt you're lucky.

It's only officially supported for an older level of client to talk to a newer level of MQ, not the other way around.

The only problem you actually have is that you're running MQ V6 anywhere.

You need to upgrade that as soon as possible, or find a new job as soon as possible if they won't let you upgrade...
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PeterPotkay
PostPosted: Thu Sep 10, 2015 4:30 pm    Post subject: Reply with quote

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Joined: 15 May 2001
Posts: 7717

http://www-01.ibm.com/support/knowledgecenter/SSFKSJ_7.5.0/com.ibm.mq.mig.doc/q006370_.htm

Quote:
Any version and release of a WebSphere® MQ MQI client can connect to any version and release of a WebSphere MQ queue manager. The MQI channel is automatically configured to the latest version that both the client and server support. If the client and server are different versions, the client application must use only the functions in the earlier version.

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Peter Potkay
Keep Calm and MQ On
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