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Home » Kerio User Forums » Kerio Connect » Downgrade form 9.1.1 to 9.1.0 (What is the easiest way without losing the data etc.)
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Wilco

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I have some trouble with version 9.1.1 (Windows). I'm not sure if it is the server or some clients that are the cause of the error's. So I want to downgrade to one earlier version.

What is the easiest way to do this?

[Updated on: Sun, 21 August 2016 19:16]


Kerio Connect 9.1.1 on Windows Server 2012 R2 (dutch)
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Think Fixed

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Why not first be specific about the problems you're having? What are the errors? I have been upgrading Kerio Connect servers for almost nine years, and I have never had to downgrade one. I have done it as a test without any problems. Normally, the clients have problems due to issues on the clients, not the server. To downgrade, you simply download the older version of Kerio Connect from download.kerio.com and run the install over the existing installation. You should take a look at the release notes and read the downgrading section for more information. You should also contact Kerio support.

Howie Isaacks
Systems Admin | Apple Solutions Consultant
Think Fixed LLC, Dallas and Fort Worth

www.thinkfixed.com
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Wilco

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I was hoping it would be so simple just by installing the older version over the existing. But in my case I'll get an announcement that a newer version exist so the install will be finished. Sad


Wilco

Kerio Connect 9.1.1 on Windows Server 2012 R2 (dutch)
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freakinvibe

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First, uninstall 9.1.1. Make sure you do NOT tick:


  • Remove Message Store
  • Remove Configuration Files


Then, install 9.1.0. Make sure you tick


  • Keep current configuration


Dexion AG - The Blackberry Specialists in Switzerland
http://www.dexionag.ch
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Think Fixed

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Why not tell us what the problem is that makes you believe that downgrading is needed?

Howie Isaacks
Systems Admin | Apple Solutions Consultant
Think Fixed LLC, Dallas and Fort Worth

www.thinkfixed.com
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Wilco

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The problem is that after the upgrade clients cannot connect with EAS. Only MAPI (KOC).
Since the change to 9.1.1 is the only difference with before I want to check for certain that this is the case.

Wilco

Kerio Connect 9.1.1 on Windows Server 2012 R2 (dutch)
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Think Fixed

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Have you checked to make sure that the clients meet all of the system requirements? Also, you may need to remove the accounts from the clients, and reconfigure them. I've never setup Windows clients to use EAS. I usually use the Kerio Outlook Connector. Therefore, I don't know if maybe it might be necessary to reconfigure these clients to use EAS due to a change in the version of EAS used on Kerio Connect 9.1.1.

Howie Isaacks
Systems Admin | Apple Solutions Consultant
Think Fixed LLC, Dallas and Fort Worth

www.thinkfixed.com
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