title: Microsoft Edge, Always Prompt Credential for Saveral User When Open Sharepoint O365
body: <p>i have finished develop a portal site with sharepoint online (O365), and i facing a weird issue.</p>
  <p>the issue is when user open the portal site via Microsoft Edge always prompt credential, and there only occoured for  several users. but for another user just input credential at first time.</p>
  <p>so we just need to let the credential entered at a first time. for next time,  then users does not need to enter the credential again.</p>
  <p>i have tried to compare the configuration of microsoft edge, but not successfully.</p>
  <p>please if you some clue, please help me. thanks</p>
  <p>note : for default of home page of Microsoft edge alreadt setted up by the Active Directory server.</p>