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mplmomplmo 

Problem with CustomFiled whild converting package to unmanaged to managed

hello,
 
       we have one AppExchange Application which installed with use of  Unmanaged Package, this app contains the CustomFields.  now we are going to convert Unmanaged to Managed Package. now  we need to uninstall UnManaged Packaged from all of our client's account, in this case those customfields also remove from the client's account. so in client loose his data stored in custom filed.  so is their any way to not to loose this custom filed data while upgrading the package from Unmanaged to Managed. 
Jim Yu.ax185Jim Yu.ax185
Hi,

When you convert to a managed package, all of the components within your package will get namespaced. 

So your customer should be able to install the managed package into the same org where they have the unmanaged package (assuming they haven't reached their object or tab limit).  With this in place, they should be able to migrate the data over (e.g. by using data loader or export/import wizard).

Jim