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Upgrade from 9.9.1 to 9.11

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New Around Here

    Hi nukers,

    I would like to update dnn platform to version 9.11, but I have some questions. The last time I updated dnn I found some documentation that indicated how to upgrade and the various steps to follow. In this case I can't find documentation for upgrading to version 9.11, so I ask you:
    Is the latest stable version 9.11?
    Can the upgrade to version 9.11 be done directly from version 9.9.1 or do I have to go through some intermediate version?
    Is upgrading the framework to version 4.8 recommended or mandatory?
    Are there other things to watch out for? Deprecated methods, decommissioned modules etc?

    Thank you very much

    Veteran Member


      upgrading from 9.9 to 9.11 should not be a problem if you regard DNN only. Anyway, there might be some third party extensions (skins/themes, modules...) that could cause problems.

      Yes, 9.11 is the latest stable version, but there are some issues (e.g. UrlControl issue: cannot upload for any role (Only works for admin/Superuser) · Issue #5423 · dnnsoftware/Dnn.Platform (github.com)).

      Best way to do is to make a copy of the website in a testing environment (web server and SQL database!), upgrade there and test everything. If you can live with the upgrade then apply it to the production server, but not before making a complete backup (just for the case...)

      Happy DNNing!


      Michael Tobisch

      dnnWerk Austria
      DNN Connect

      Veteran Member

        Michael's advice is spot-on, as always.  In addition to this, upgrading/updating to support the most current versions of the .NET Framework is not required, but will be.  Regardless, it's a very low risk thing.  Latest versions of DNN require .NET 4.7.2, but installing and getting the Windows updates for version 4.8 is definitely the better way to go.  You might already have modules that require .NET 4.8.  

        In general, if you have any uncertainties, doing a few test upgrades in a test environment should get you comfortable with the entire process.  Also, the process is usually at least a little bit unique from site to site.  So you'll want to take notes so you can repeat your own process.  

        Here are a couple of resources to help you.  The first is a video of a presentation I gave at the DNN Summit conference (coming again this February) a while back, and the other is the slide deck from the same presentation.  

        Oh, and just to confirm for you, DNN Platform 9.11.0 is indeed stable, but 9.11.1 will be even better, of course.  It's coming very soon, but I wouldn't suggest you wait for it.  Upgrading from 9.11.0 to 9.11.1 will be very low-risk and easy to do.  

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