Источник:
https://blogs.msdn.microsoft.com/lcs...subscriptions/
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A recent change is causing package deployments to fail during the preparation phase when trying to download a package on the BI machine associated with sandbox environments deployed in Microsoft subscriptions. When this error is encountered, the environment state in LCS displays Preparation failed. This issue is currently impacting some, but not all, Tier 2,...
Источник:
https://blogs.msdn.microsoft.com/lcs...subscriptions/