Sun Storage 7000 Unified Storage System: Webdav share mount on Windows returns : System error 67 has occurred. The network name cannot be found.

Asset ID:	1-72-1557506.1
Update Date:	2013-08-30
Keywords:

Solution Type Problem Resolution Sure

Solution 1557506.1 : Sun Storage 7000 Unified Storage System: Webdav share mount on Windows returns : System error 67 has occurred. The network name cannot be found.

Applies to:

Sun Storage 7210 Unified Storage System - Version All Versions to All Versions [Release All Releases]
Sun Storage 7310 Unified Storage System - Version All Versions to All Versions [Release All Releases]
Sun Storage 7410 Unified Storage System - Version All Versions to All Versions [Release All Releases]
Sun ZFS Storage 7120 - Version All Versions to All Versions [Release All Releases]
Sun ZFS Storage 7420 - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

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When attempting to do a webdav mount of a share on a windows server a error returned as seen below:

C:\Users\sysuser>net use * "http://192.168.1.11/shares/export/TEST1"
System error 67 has occurred.

The network name cannot be found.

Cause

Windows webdav clients are configured by default to use NTLM authentication, which is Windows-specific.

As the ZFSSA is designed for heterogenous environments which often include other operating systems, we do not currently support NTLM authentication for webdav.

Solution

NOTE: After implementing the solution below the server must be rebooted in order for this change to take effect.

The solution is to make a change on the windows server to create or set a registry entry under:

HKLM\SYSTEM\CurrentControlSet\Services\WebClient\Parameters

Name: BasicAuthLevel

Type: DWORD (32 bit) Value

Set this parameter to a value of 2 for this solution.

Valid values:

If this value is set to 0 (zero) then basic authentication is disabled.

If this value is set to 1 (default) then basic authentication is enabled for ssl (Secure Socket Layers) shares only.

If this value is set to 2 or above then basic authentication is enabled for ssl and non-ssl shares

Note: If this is implemented then ensure that the web application uses ssl since the Basic Auth password is sent in cleartext.

References

<BUG:16444159> - UNABLE TO MAP DRIVE VIA WEBDAV
<NOTE:1546545.1> - Some services do not support Active Directory accounts for Authentication

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