Comments on: “Call to HttpSendRequestSync failed for port 443 with status code 401, text: Unauthorized” in “mpcontrol.log” https://faqshop.com/sccm-2012/troubleshooting-cm12/client-deployment-cm12-tr/call-httpsendrequestsync-failed-port-443-status-code-401-text-unauthorized-mpcontrol-log/ SCCM Tutorials, Help, Hints, Tips and FAQs Mon, 18 Dec 2017 13:49:09 +0000 hourly 1 https://wordpress.org/?v=6.9.4