Commented Unassigned: Resolved: AjaxFileUploader April 2013 Upload Error [27416]

I resolved this problem. I did not have the correct entries in web.config

I just update to the latest version of the Ajax Control Toolkit. I am using the AjaxFileUploader and I am now getting the following ASP exception. I was not getting this with the prior release. Could this be a permissions issue? I'm running IIS Web Server on Windows 2003 R2 Server. THe application is using ASP Version 4.0.30319


Event Type: Warning
Event Source: ASP.NET 4.0.30319.0
Event Category: Web Event
Event ID: 1309
Date: 5/7/2013
Time: 1:32:15 PM
User: N/A
Computer: IBT-2800
Description:
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 5/7/2013 1:32:15 PM
Event time (UTC): 5/7/2013 5:32:15 PM
Event ID: 08196419444443849c97355eb97d151f
Event sequence: 443
Event occurrence: 3
Event detail code: 0

Application information:
Application domain: /LM/W3SVC/1686273646/Root/MIS-1-130124201373726250
Trust level: Full
Application Virtual Path: /MIS
Application Path: C:\Buzz\iis_root\OLI\GardenAndGunClub\MIS2013\
Machine name: IBT-2800

Process information:
Process ID: 5628
Process name: w3wp.exe
Account name: NT AUTHORITY\NETWORK SERVICE

Exception information:
Exception type: DirectoryNotFoundException
Exception message: Could not find a part of the path 'C:\WINDOWS\TEMP\_AjaxFileUpload\16B95B50-13DA-9103-48EB-36A9A338C289\'.
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileSystemEnumerableIterator`1.CommonInit()
at System.IO.FileSystemEnumerableIterator`1..ctor(String path, String originalUserPath, String searchPattern, SearchOption searchOption, SearchResultHandler`1 resultHandler)
at System.IO.Directory.InternalGetFileDirectoryNames(String path, String userPathOriginal, String searchPattern, Boolean includeFiles, Boolean includeDirs, SearchOption searchOption)
at System.IO.Directory.GetFiles(String path)
at AjaxControlToolkit.AjaxFileUpload.OnPreRender(EventArgs e)
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)



Request information:
Request URL: http://www.gardenandgunclub.com/MIS/apply2.aspx?contextKey={DA8BEDC8-B952-4d5d-8CC2-59FE922E2923}&done=1&guid=16B95B50-13DA-9103-48EB-36A9A338C289
Request path: /MIS/apply2.aspx
User host address: 10.10.80.66
User:
Is authenticated: False
Authentication Type:
Thread account name: NT AUTHORITY\NETWORK SERVICE

Thread information:
Thread ID: 16
Thread account name: NT AUTHORITY\NETWORK SERVICE
Is impersonating: False
Stack trace: at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileSystemEnumerableIterator`1.CommonInit()
at System.IO.FileSystemEnumerableIterator`1..ctor(String path, String originalUserPath, String searchPattern, SearchOption searchOption, SearchResultHandler`1 resultHandler)
at System.IO.Directory.InternalGetFileDirectoryNames(String path, String userPathOriginal, String searchPattern, Boolean includeFiles, Boolean includeDirs, SearchOption searchOption)
at System.IO.Directory.GetFiles(String path)
at AjaxControlToolkit.AjaxFileUpload.OnPreRender(EventArgs e)
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

Comments: I had the same problem with sub folders where AjaxFileUploader is used. The control works in Chrome inside a sub folder, but not IE. I finally tracked it down to my use of forms authentication. When access is denied to anonymous users for the sub folder where the control is used, the control throws an error. For example, I had a web.config file in the sub folder that looked like this: ``` <configuration> <system.web> <authorization> <deny users="?" /> </authorization> </system.web> </configuration> ```