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Common ?? (seemingly no answer) - The request was aborted: Could not create SSL/TLS secure channel
jeighsohn
Member Posts: 15
Hello, I have searched the forum for this topic and found many threads that all ultimately end with no resolution. We have a legacy NAV2013 install that is being replaced by another ERP at some point soon 
I have written a REST API call in this NAV2013 instance to call FedEx to get shipping rates. The FedEx call requires an OAUTH2 token, and everytime I try to call this OAUTH API, I get the error: The request was aborted: Could not create SSL/TLS secure channel. I have tried all the hints suggested across the very many threads I found on this topic. I specify ServicePointManager.SecurityProtocol(SecurityProtocol.Tls12); I've had our ops team install a newer .NET runtime, but cannot get past this. Fun part, this worked as of fall 2023. I can do all of the required calls just fine from Postman.
Is there something I need to configure differently on the application server or database server? We have other RESTful API calls working just fine (and those also specify TLS1.2).
I have written a REST API call in this NAV2013 instance to call FedEx to get shipping rates. The FedEx call requires an OAUTH2 token, and everytime I try to call this OAUTH API, I get the error: The request was aborted: Could not create SSL/TLS secure channel. I have tried all the hints suggested across the very many threads I found on this topic. I specify ServicePointManager.SecurityProtocol(SecurityProtocol.Tls12); I've had our ops team install a newer .NET runtime, but cannot get past this. Fun part, this worked as of fall 2023. I can do all of the required calls just fine from Postman.Is there something I need to configure differently on the application server or database server? We have other RESTful API calls working just fine (and those also specify TLS1.2).
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