Mar 31, 2012
tom

Office documents on intranet all requiring second login and can’t pass auth? Disable webdav?

Question

I am not sure what is going on, but recently all the Office documents on our intranet get prompted a second time for login and according to the error logs it looks like it’s trying to use webdav to open (an editable?) version of the document to save directly on the server? We have no sharepoint server setup or anything, but this shouldn’t be happening. All I want is for the document to be saved or opened from a local copy in temp like normal.

Here is the log:

Line 57499: 2011-04-12 15:57:10 (ip) OPTIONS (address) - 443 (username) (user ip) Microsoft-WebDAV-MiniRedir/6.1.7601 - 401 1 1326 1525 238 0
Line 57500: 2011-04-12 15:57:10 (ip) OPTIONS (address) - 443 (username) (user ip) Microsoft-WebDAV-MiniRedir/6.1.7601 - 401 1 1326 1525 238 0
Line 57501: 2011-04-12 15:57:10 (ip) OPTIONS (address) - 443 (username) (user ip) Microsoft-WebDAV-MiniRedir/6.1.7601 - 401 1 1326 1525 238 0

The log basically contains a bunch of these.

How can I disable this behavior so that office documents that are downloaded aren’t attempted to be used through webdav??

Edit: I should clarify behavior, it asks if you want to save or open it, upon choosing open open, it asks to re-authenicate, you put in the user information and the login box comes up 3 times acting like you entered the wrong password. For some users, after passing the login box the third time, it still opens up, for others their browser just locks up.

It also doesn’t even look like webdav is installed on our server, I see no config options in IIS for it as outlined on this page: http://learn.iis.net/page.aspx/350/installing-and-configuring-webdav-on-iis-7/#001

Asked by DOTang

Answer

Open IE and browse to the server you are having troubles with then go to tools – Internet Options – Security – Local Intranet and click on “Sites” then click on “Advanced” and add the url to the “websites” box. Since this is an intranet server anyway, it really should be listed in the Intranet zone in IE.

You should no longer be prompted to login in either IE or in Office when opening the documents from that server.

My bet is that something happened on the clients (either a patch or a change to corporate policies) that pushed the URL back to your Internet zone, which requires a login.

Answered by Dave Wise

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