MPcontrol.log error in native mode call to http SendRequestSync Failed for port 443 with status code 403, text : Forbidden

image   after all struggles  found this was due to communication issues with the PKI and SCCM Server and required a Reboot (PKI Server then SCCM Server both) was resolved the issue.   Also noticed if we show the client authentication – Computer certificate then it should work… how ever I recommend to go for reboot

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