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In my case this as the case with the Kemp load balancer we were using – TLS 1.0 was disabled under SSL Properties. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. This error occurs when TLS 1.0 is disabled either on the end server or on a load balancer in front of the server.
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“The Microsoft Connectivity Analyzer wasn’t able to obtain the remote SSL certificate” But when I browse on a secure website (hosted on this server in IIS) from a client browser I can clearly see that TLS 1.2 is used to secure the connection. In the registry the key TLS 1.2 is not present under Protocols. and test whether you can browse HTTPS sites using the browser, and whether. I need to check if TLS 1.2 is enabled on my Windows Server 2019. its HTTPS using TLS 1.2 and I need to observe a certain behaviour over a network, not view the contents of the message. This could have occurred as a result of a network error or because of a problem with the certificate installation.” NET client and server component and Ive tried to google for ways to get IIS and. “The certificate couldn’t be validated because SSL negotiation wasn’t successful.
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Here I am going to document an error that indicated that the Exchange Server (in this case) was not working, but we could see that the phone was connecting fine to the server. An excellent resource for Microsoft Exchange Server and Exchange Online administrators and consultants is the Remote Test Connectivity website at or.
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