SharePoint 2016 Open with Explorer SSO

David Oh 1 Reputation point

My SharePoint site able to authenticate via SSO however when user open the Open with Explorer in the document library it will still prompt for authentication. I have added the SharePoint site into the intranet zone in internet settings. Any help?

SharePoint Server Management
SharePoint Server Management
SharePoint Server: A family of Microsoft on-premises document management and storage systems.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Elsie Lu_MSFT 9,736 Reputation points

    Hi @David Oh ,

    Thanks for waiting.
    Based on your description, we want to confirm:

    1. Can you use this feature by entering valid information after pop-up authentication?
    2. Do all users encounter this issue or only some users?

    You could try to:

    1. Add SharePoint to Trusted Sites
    2. Modify data inside Credentials Manager
    3. Create a new registry entry

    Please refer to this article for more information:
    SharePoint keeps asking for password on Windows 10

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