Unable to map WebDAV over SSL

Hello,

I have following issue: I have a WebDAV Windows Server 2012 with IIS and SSL signed by StartCom (so it is trusted by default). On Windows 8, I have no problem to map WebDAV over HTTP, however with HTTPS, I am unable to map it. I keep getting prompted for credentials all the time. I have tested this both on Windows 8 and Windows 8.1 RTM.

Now the issue is that when I tried it on Windows 7, it mapped on both HTTP and HTTPS. I really have no idea what I am doing wrong, but I believe this could be client related rather than related to Windows Server and the WebDAV setup.

Thank you.

Edit: When running  net use * https://files.domain.com in cmd under Windows 8, I get directly error 1790, on Windows 7, I am prompted for username and password.

Edit 2: When running net use * "\\files.domain.com@SSL\/User:username password, on Windows 8, I get directly 1244 error.

Edit 3: As such as it seems, this issue seems to be related to: http://social.technet.microsoft.com/Forums/windows/en-US/1a3c29ab-d038-4132-af99-b85bce51b5c2/sslv2-being-used-with-webdav, since the symptoms seem to be the same, however there is no solution provided on that thread.

Edit 4: After running Microsoft Network Monitor, I can confidently say that the issue is indeed with the SSLv2 being used for WebDAV communications. See attached image.

Full size picture...

Edit 5: I just used Network Monitor on Windows 7, where the drive maps correctly over SSL, see the difference in a picture below.

Full size picture...

  • Edited by Jan Hajek Thursday, September 26, 2013 6:47 AM Added Windows 7 picture
September 25th, 2013 1:31pm

Solution working for me was posted here: http://forums.iis.net/t/1208042.aspx?WebDAV+and+SSL+on+Windows+Server+2012+IIS8
  • Marked as answer by Jan Hajek Monday, March 31, 2014 11:27 AM
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March 31st, 2014 11:27am

Windows 10 supports TLS 1.2 and most SSL related compatibility issues with webDAV should be solved: https://social.technet.microsoft.com/Forums/windows/en-US/9f202c46-1baf-4de1-8b7d-14ff6cdbcb72/windows-webdav-client-does-not-support-tls-12?forum=w7itpronetworking

You may also check your certificate installation on the webDAV server with:

https://www.ssllabs.com/ssltest/index.html

https://ssltools.websecurity.symantec.com/checker/views/certCheck.jsp

https://www.wormly.com/test_ssl


  • Edited by ManServ Tuesday, August 04, 2015 8:58 AM
August 4th, 2015 8:52am

Windows 10 supports TLS 1.2 and most SSL related compatibility issues with webDAV should be solved: https://social.technet.microsoft.com/Forums/windows/en-US/9f202c46-1baf-4de1-8b7d-14ff6cdbcb72/windows-webdav-client-does-not-support-tls-12?forum=w7itpronetworking

You may also check your certificate installation on the webDAV server with:

https://www.ssllabs.com/ssltest/index.html

https://ssltools.websecurity.symantec.com/checker/views/certCheck.jsp

https://www.wormly.com/test_ssl


  • Edited by ManServ 22 hours 25 minutes ago
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August 5th, 2015 4:55am

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