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The request for path /DynamicsNAV130/dev/metadata failed with code InternalServerError. Reason: NetFx40_LegacySecurityPolicy is enabled and must be turned off in the Microsoft.Dynamics.Nav.Server.exe.config file. – The Dynamics World Ltd
Erreur emails envoi bloqués 0x800CCC78 Outlook Win... - Communauté Orange
Fix: The server responded 550 error on Outlook email app - YouTube
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FIX: 0x800CCC78 Outlook Send-Receive error (Solved) • Repair Windows™
Issue - SMTPUTF8 is required, but was not offered by host | Plesk Forum
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FIX: 0x800CCC78 Outlook Send-Receive error (Solved) • Repair Windows™