Opening share point path in windows explorer will need re-authenticating only on windows 10

McKnife
McKnife used Ask the Experts™
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Hi sharepoint experts.

Whenever we would like to view a sharepoint 2016 library in windows explorer, we need to re-authenticate, first (with our own credentials).
Why is that? Although it is only once per session, it still is pretty annoying.

Path is like https://oursharepoint.ourdom/sites/somesite/main/SitePages
Please note that sharepoint uses kerberos authentication.

OS is windows 10, v1607. It happens anywhere on the network.

If we do the same on windows 8.1, it just works without reauthenticating.
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SQL / SharePoint Engineer
Commented:
Im seeing this question often enough that I should probably start testing it myself. The "open in explorer" feature relies on an old technology called WebDAV, which uses different security policies from your web browser. I found this forum post that might be something to try:

https://social.technet.microsoft.com/Forums/sharepoint/en-US/10e604c5-d5fb-4a66-ae03-a721a93eda25/webdav-sometimes-asks-for-authentication-sometimes-not?forum=sharepointadminprevious
Distinguished Expert 2018

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Commented:
Hi Greg.

One word: "YES!"
That's it. We have tried that very registry key before fighting this: https://www.experts-exchange.com/questions/29003756/Sharepoint-open-in-explorer-does-not-work.html but didn't retry it, after we found the solution, why explorer wouldn't open at all. Douh :-)

Thank you!
Distinguished Expert 2018

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Commented:
Great!

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