Q. Can you change a secondary site to a primary site?
A. No. A secondary site is always a secondary site. It cannot be upgraded, moved, or changed without deleting it and reinstalling it. If you delete and reinstall, you lose all secondary site data.
Q. Can you distribute a package to a computer without making it a member of a collection?
A. No. To distribute software you must have a package, a program and an advertisement. Advertisements can only be sent to collections, not to computers. If you want to distribute a package to a single computer, you must create a collection for that computer.
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