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Full Title: The shared folders that store packages on branch distribution points may be removed in systems that are running System Center Configuration Manager 2007 Service Pack 1
Consider the following scenario:
In this scenario, the share that contains multiple packages is removed to leave the remaining package data inaccessible to SCCM clients. When another package is added or updated on the same custom share path, the share is recreated to make the packages available to SCCM clients again.
Read the complete post at http://wmug.co.uk/blogs/cliffs_blog/archive/2009/03/13/configmgr-ms-kb-959875-the-shared-folders-that-store-packages-on-branch-distribution-points-may.aspx