AVG message telling me that Officeclient.microsoft.com/ has an invalid server certificate

Question

AVG is telling me that: Connection to the website is not secure. //officeclient.microsoft.com/

Server certificate invalid

How do I rectify this problem.

Answer 1

Hello there,

Generally, this issue occurs when the URL that you are trying to access is not listed in either the Subject or the Subject Alternative Name (SAN) of the Secure Sockets Layer (SSL) certificate for the website. Although different organizations' configurations may differ slightly, this issue typically occurs because the organization's Autodiscover Domain Name System (DNS) records are configured incorrectly.

Please follow the steps from here

https://support.microsoft.com/en-us/topic/-the-name-on-the-security-certificate-is-invalid-or-does-not-match-the-name-of-the-site-error-in-outlook-in-a-dedicated-or-itar-office-365-environment-873b8392-9f5c-8a27-311b-abdc224dc118

Hope this resolves your Query !!

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