Enable Persistent Single Sign on (PSSO) for SharePoint online

In this short article, we will discuss the steps in order to enable Persistent Single Sign on (PSSO) for SharePoint Online with ADFS integration.

Simply, PSSO means that within a period of time, the users can access SharePoint online without the need to authenticate every time with ADFS (within specific period), usually the normal process that happens when the user trying to Access SharePoint online (Assuming that SharePoint online already integrated with ADFS to Authenticate Against local AD), when the user close the browser and try to access the SharePoint again, he will be redirected to ADFS to get the Authentication token which sometimes make a little delay.

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