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Why is the check-box is disabled when creating a Managed package

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  • Did you set up a namespace? Is there already a managed package in the org?
    – Eric
    Commented Sep 8, 2015 at 16:38
  • yes I have setup a namespace and also there is already a managed packaged and i wanted to create a another one, i'm not sure how the packages works and i have no idea; if it allows you to install more then one package
    – Nick
    Commented Sep 8, 2015 at 16:39
  • You cannot have two managed packages for the same namespace
    – Eric
    Commented Sep 8, 2015 at 16:39

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You cannot have more than one managed package for the same namespace

The developer settings in a Developer Edition organization allow you to create a single managed package, upload that package to the AppExchange, allowing other users to install and upgrade the package in their organization. After configuring your developer settings the first time, you can no longer modify them. Regardless of the developer settings, you can always create an unlimited number of unmanaged packages.

https://help.salesforce.com/HTViewHelpDoc?id=configure_developer_settings.htm&language=en_US

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  • so what do i need to do? edit the existing package and add-on ?
    – Nick
    Commented Sep 8, 2015 at 16:40
  • It depends on your use case and model. You could update the existing package, or create a new package in another org "Extension Package" that you install the first package in that new org and build off of it. The extension package would be dependent on the original package being installed
    – Eric
    Commented Sep 8, 2015 at 16:41
  • is that consider to be best practice if I delete the existing package and create a new one?
    – Nick
    Commented Sep 8, 2015 at 16:42
  • No one said to delete the existing package - That could be catostrophic. Info on extension packages - help.salesforce.com/apex/…
    – Eric
    Commented Sep 8, 2015 at 16:44
  • I have already installed a Managed Package in my org and added few custom objects/classes/pages and you said it can be update the existing package will that work in my scenario?
    – Nick
    Commented Sep 8, 2015 at 17:51

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