Consider the following scenario:

• You enable streaming for virtual application packages on a Microsoft System Center Configuration Manager 2007 R2-based computer.
• You are granted the following permissions for the Package class:
  • Read
  • Distribute
  • Delegate
  • Create
  • Manage Folders
• You open the System Center Configuration Manager console.
• You try to create a virtual application package at the following location:

  Computer Management\Software Distribution\Packages

User <user> does not have sufficient rights

ErrorCode = 1112017920

If you're using Configuration Manager with your Microsoft Application Virtualization (App-V) packages then you can download the hotfix for this from our new Knowledge Base article below:

KB978755 - Error message when you try to create a virtual application package in System Center Configuration Manager 2007 R2: "User does not have sufficient rights"

J.C. Hornbeck | System Center Knowledge Engineer

Read more at: http://blogs.technet.com/appv/archive/2010/03/10/new-hotfix-error-message-when-you-try-to-create-a-virtual-application-package-in-configmgr-2007-r2-user-does-not-have-sufficient-rights.aspx