We create Oauth2 Authentication access token for Office 365 using the steps in this article http://www.agilepointnxblog.com/create-non-expiring-access-tokens-for-office-365/
However, another article https://www.spblog.net/post/2018/08/24/SharePoint-lifehacks-create-SharePoint-app-registration-with-client-secret-which-never-expires mentions that
"ClientSecret generated with AppRegNew.aspx is that secret has expiration time. By default expiration is 1 year"
Does anyone encounter problem with Oauth2 Authentication access token for Office 365, and have to generate a new ClientSecret to update access token?
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