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AuthorForum: PowerWEB File Upload for ASP.NET
Topic: Sometimes requires Windows Authentication
Georges

From: Paris, France
Posts: 5
Member Since: 06/13/08
posted June 26, 2008 4:03 AM

Hello,

I sometimes have troubles with the upload module, which seems to require a windows authentication when trying to process.
This apparently happens randomly, wether the file is on the local machine or in our network. It may even happen to the same file I uploaded minutes ago to make another test.

The error message is : "Flash object reported an HTTP Error (401) attempting to upload file xxx.xxx"

But I noticed that :
- 2 dialog authentication boxes are opened ;
- even if i type my correct user/pwd, I can't get the file to be uploaded.

Do you have any information regarding this issue ?

Thanks in advance.
Georges

From: Paris, France
Posts: 5
Member Since: 06/13/08
posted June 26, 2008 5:32 AM

Hi again,
I would just add that permissions are OK on the target directory (uploaded_files) where I try to copy my file... for testing purpose, I have allowed everyone full access.
On IIS, I have allowed Anonymous Access to this specific sub-directory...
K M Drake



From: Utica, NY USA
Posts: 3406
Member Since: 07/14/00
posted June 26, 2008 10:12 AM

Hi Georges,

Does the problem happen when accessing the page with multiple clients or is it limited to one?

Are you using Integrated Windows Authentication?
(The Flash option does not support this).

Does it work ok if the UploadManager.UploadType is set to IFrame?

Thanks,
-ken
Georges

From: Paris, France
Posts: 5
Member Since: 06/13/08
posted June 26, 2008 10:39 AM

Hello,

thanks for your quick answer.
- yes, the UploadManagerType was set to flash ;
- yes, I am using windows authentication for the website itself, but not for the subfolder in which I upload the file ;
- besides this, it sometimes worked, sometimes not ;
- the tests were done from several machines and several windows accounts...

I ended setting the UploadType to IFrame ; it seems to work for now, but I don't know if it's because of this (and the problem is really over) or if it will happen again...

I'll keep you posted.

Thanks again,

Georges
Hallgeir

From: Hamar, Norway
Posts: 2
Member Since: 12/17/08
posted November 13, 2009 5:18 AM

We are having the almost the same problem as Georges describes in his first post. The only difference is that the windows authentication shows up every time we try to upload one or several images. This is when using UploadType="Flash" and windows authentication in IIS. And the same as with Georges, we can't get pass this problem by entering the correct user/pwd.
Is there any knows solution to this problem?

Thanks in advance
K M Drake



From: Utica, NY USA
Posts: 3406
Member Since: 07/14/00
posted November 13, 2009 10:37 AM

Hi,
Sorry, unfortunately this is a limitation of the Flash dialog the control uses when the UploadType is Flash.
Only UploadManager.UploadType.IFrame supports Windows Authentication.

-ken
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