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MQSeries.net Forum Index » IBM MQ Installation/Configuration Support » AMQ8579E: Primary installation cannot be changed from '' to

AMQ8579E: Primary installation cannot be changed from '' to

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kordi

Posted: Fri Jan 23, 2026 6:01 am Post subject: AMQ8579E: Primary installation cannot be changed from '' to

Disciple

Joined: 28 May 2012
Posts: 150
Location: PL

Hi guys,

I am upgrading MQ to 9.4 with Ansible and one of the servers setmmqinst failed with following reason:

Code:

AMQ8579E: Primary installation cannot be changed from '\\u0001' to 'Installation1'

From shell it looks like this

Code:

setmqinst -i -p /apps/mqm
AMQ8579E: Primary installation cannot be changed from '' to 'Installation1'

Here is list of all installations

Code:

dspmqinst
InstName: Installation1
InstDesc:
Identifier: 1
InstPath: /path/mqm
Version: 9.4.0.5
Primary: No
State: Available
LicenseType: Production
Entitlement: IBM MQ Server
Fixes:

I am running out of ideas on how to fix that.. Reinstall? Something less invasive?

bruce2359

Posted: Fri Jan 23, 2026 7:49 am Post subject:

Poobah

Joined: 05 Jan 2008
Posts: 9489
Location: US: west coast, almost. Otherwise, enroute.

Please don?t f do double or triple post.
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