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  • If the license key is invalid or due to any other reasons the key validation may fail.

  • In such cases a ‘Failed’ dialog will be shown

  • Make sure you copy pasted the whole license key correctly and the key is generated for that specific domain.

  • If the error is something else, click ‘Show More…’ then additional details will be shown.

  • Contact us at with the details shown in this dialog or simply click the mail link shown in the dialog, it will automatically open your email client with details.

2. App Installation

2.1 Unable to install in


SharePoint Server 2016/2019

When trying to install RadiantQGantt app in sharepoint SharePoint server 2016/2019 you get a error saying "Sorry, apps are turned off. If you know who runs the server, tell them to enable apps."


  • Subscription service is not setup - Most of the time, above error is caused when subscription service is not configured or improperly configured.

  • App management service is not associated with your web application - Make sure 'App Management Service' application is associated with your sharepoint SharePoint application.

  • App Url URL is not configured - Ensure that you have setup the App Url URL domain and prefix.

2.1.1 Configure the Subscription Settings and App Management service applications

  • Step 1: Open Sharepoint SharePoint 2016/2019 Central Administration from your sharepoint SharePoint farm

  • Step 2: From System Settings page, click on Manage Services in this farm

  • Step 3: Enable Auto provision for Microsoft SharePoint Foundation Subscription Settings Service

  • Step 4: Open SharePoint 2016/2019 Management Shell

  • Step 5: Run the following commands in SharePoint management shell to Create Microsoft SharePoint Foundation Subscription Settings Service

    Code Block
    $sa = New-SPSubscriptionSettingsServiceApplication -ApplicationPool 'SharePoint Web Services Default' -Name 'Subscriptions Settings Service Application' -DatabaseName 'Subscription'
    New-SPSubscriptionSettingsServiceApplicationProxy -ServiceApplication $sa
  • Step 6: From Application Management page, click on Manage Service Applications to verify the subscription service is created, you should see your SharePoint Foundation Subscription Settings Service and proxy

2.2 Associate App Management Service with your web application

  • Step 1: Open SharePoint 2016/2019 Central Administration from your SharePoint farm

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  • Step 2: From Application Management page, click on Configure service application associations

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  • Step 3: Click on Application proxy group available against your web application 

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  • Step 4: A modal dialog box will open, make sure the App Management Service is Enabled. Then press OK

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  • Step 5: Now you should see the App Management Service Application is associated to your web application where you wish to add ShortPoint App

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