Https issues in Word 2010

Question

Hi,
I have problems opening a file via Active X control and https and need some ideas how to proceed with the analysis.
The server is a custom WebDAV implementation on a SAP Netweaver 7.40 system.
The following behaviour:
http works without problems
https is OK if I copy and paste into an IE window or file open dialogue, but I do get several client certficate popups. It does not matter whether I choose the correct certificate or cancel the popup
https via documents.open of the word application causes an error
https over ActivceX works fine when I try to log the communication with Fiddler
I have the same question in the Word forums, but no solutions yet. I'll add the link once I'm allowed to post links
Regards
 Andre

Answer 1

Check the following steps (Remember to backup before you modify your registry):
Adjust the Basic Authentication Level key in the Registry Editor.                
Open the Registry Editor by selecting Start > Run, and then typing
regedit.            
On Windows XP and above, select Start >Accessories > Run.
Locate the key
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\WebClient\Parameters\.          
Create a new DWORD value for basic authentication. On Windows XP, set the basic authentication parameter to 1.             
Examples:                
On Windows XP, create the DWORD parameter
UseBasicAuth and set the value to 1. For example,
UseBasicAuth = 1.
On Windows Vista and above, create the DWORD parameter BasicAuthLevel
and set the value to 2. For example, BasicAuthLevel=2                        
Also check the steps below:
In the Registry Editor, select the key
HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\Internet.
Create a new DWORD value called
BasicAuthLevel.
Set the value of
BasicAuthLevel to 2.
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