Источник:
https://blogs.msdn.microsoft.com/lcs...imum-capacity/
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As the end of year approaches, the Microsoft Dynamics Service Engineering team is reducing available manual-upgrade slots for customer Sandbox and Production environments. This is to help stabilize environments and the overall service during the holiday season. If upgrading before end of year is an urgent matter for your business, please signup for the Self-service...
Источник:
https://blogs.msdn.microsoft.com/lcs...imum-capacity/