Dynamics CRM 4 Upgrade to Dynamics CRM 2011/2013 RRS feed

  • Question

  • I have been given the task of proving whether or not we can upgrade our CRM 4 platform tenant to either CRM 2011 or CRM 2013. However I have read on a Microsoft website the following:

    Legacy features that are no longer supported

    With the launch of CRM 2013, we are officially dropping support for legacy CRM 4.0 features. These features were deprecated with Microsoft Dynamics CRM 2011 and will no longer work with this new version.
    Dynamics CRM 4.0 features that will no longer be supported:

    • CRM 4.0 plug-ins
    • CRM 4.0 client-side scripting
    • CRM 4.0 custom workflow activities
    • CRM 4.0 web service API (also known as the 2007 web service endpoints)
    • ISV folder support for custom web applications

    At present the one tenant (only one active within this CRM 4 platform) has some custom JavaScript code added to some of the entity forms being used in the system.

    My question is will upgrading CRM 4 to either CRM 2011 or CRM 2013 cause any of these JavaScript modifications to be removed or break?

    Thanks and I appreciate any help with this as could save me a lot of time proving something won't work.


    Friday, February 19, 2016 9:23 AM

All replies

  • Upgrading to CRM 2011 should not break the JavaScript code, providing it does not use unsupported code. Note that the update rollup version of CRM 2011 is important; CRM 2011 UR12 introduced support for non-IE browsers, which could impact your code. However, there is a code compatibility checker you can run once you've upgraded to CRM 2011, which can check your code against the UR12 changes.

    Your code almost certainly will not work if you upgrade to CRM 2013

    Microsoft CRM MVP - http://mscrmuk.blogspot.com/ http://www.excitation.co.uk

    Friday, February 19, 2016 10:37 AM
  • Worst case scenario, you will need to update your JavaScript to upgrade from CRM 2011 to CRM 2013. Just make that part of the upgrade plan.

    I encourage you to get on at least CRM 2013 as that is already three version behind. There is a nice tool that helps you check for breaking changes in your code.


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    Thursday, March 3, 2016 11:53 PM