Security :: Programmatic Impersonation Access Denied To UNC Path

Jun 4, 2010

Programmatic impersonation access denied to UNC path


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Similar Messages:

Security :: Access To The Path Xxx Is Denied?

Feb 10, 2010

I am new to IIS and have some questions.

I've put my application on IIS with a App Pool I newly created. The App pool setting is integrated and networkservice.

My application reads a local file from a local machine. When it tries to do that, I receive an exception saying that "Access to the path is denied". Isn't the app using the credentials logged into the local machine?!

doesn't "integrated and networkservices" mean.. use the credentials logged in to windows?

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Security :: Dotnetzip < Access To The Path Is Access Denied

Oct 5, 2010

I trying dotnetzip on localhost everything works fine.but on a real dotnet hosting it raises error :

Access to the path 'C:inetpubvhostslahblah.comsubdomains
aporhttpdocsDotNetZip-luqevaxu.tmp' is denied.
using (ZipFile zip = new ZipFile(Server.MapPath("~")+"/"))

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Security :: Access To The Path '\ServerNameFolderTest.xls' Is Denied?

Feb 15, 2011

I have read this post [URL] about something similar to my problem, but here is the thing, this Web Application worked without problems until someone changed some rights in the folder: '\ServerNameFolder' I have write permissions for both "DOMAINusername" and ASPNET but it doesn't work, anytime I attempt to upload a file from theweb app the "access to the path '\ServerNameFolderTest.xls' is denied" appears. But if I do it
manually with "DOMAINusername" it works.

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Access Path Denied - Is There Any Format To Set The Path As String

Feb 13, 2010

I had applied the following code as said by you :

byte[] b = YourByteArrayFromDb;
File.WriteAllBytes(MyFilePath, b);

But I am receiving an exception "Access to the path is denied". How do I solve this using ASP.Net with C#? And is there any format to set the path as string?

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Security :: Access To Path "\servershare" Denied

Jul 6, 2010

I have an ASP.NET application that reads and writes to a fileshare. I have run into a weird situation that I cannot figure out. We are testing the deployment to a new DB/FileShare environment I am running into the error UnauthorizedAccessException: Access to the path "\servershare" is denied

Here's what is puzzling:

This is only occurring on one box, my Vista development box. Another developer running XP does not get the error. We are using impersonation and using a domain user that has full control over the fileshare in questionThe same code and domain account when used to access another environment running the same codebase works fine. In other words, if I point to another file server/share everything is fine. I've done pretty exhaustive searching on possible solutions and nothing seems to apply. The fact that it is only happening on one machine and only when pointed at one server is a little creepy.

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File.OpenRead Access Using UNC Path - Impersonation Not Working?

Mar 3, 2011

Is there a reason Impersonation does not seem to work with a UNC path using File.OpenRead()? I'm utilizing codeproject's Impersonation utility: [URL] I have a user with rights to the share that I'm passing to OpenRead(). This is my code and it's not accessing the file:

bool canImp = imp.ImpersonateValidUser(impUser, domain, impPwd);
FileStream fs = File.OpenRead(filePath);
logger.Debug("File stream opened...");
byte[] b = new byte[fs.Length];
fs.Read(b, 0, b.Length);
//code continued

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Security :: Impersonation With IIS And UNC Virtual Path Share

Oct 28, 2010

It took me 6 hours to figure this one out and I'm wondering if someone can give me an answer why it has to work this way. I have two PCs, one is a webserver win2k 2003 and the other is the file server running Windows XP. Both PCs are on the same company domain therefore they can see each user. The share folder has NETWORK, NETWORK SERVICE, USERS (which include IIS authenticated users), a LOCAL account, and a specific User (which is me) that is given access to read. In my web application, I call a server.mappath. In IIS6.0, anonymous is disabled so users use integrated Windows Authentication. I can see this by verifiying User.Identity.Name.ToString(); Next, I also check WindowsIdentity.GetCurrent().Name.ToString();. In my first run, I set impersonate to true and thats it. Both User.Identity and both Windows.Identity show: mydomainsmith_B as an example.

When trying to access the UNC virtual path whcih has "Always use the authenticated user's credentials when validating access to the network directory" checked. This means , IIS6.0 will pass mydomainsmith_B credentials to the file server. I get an access denied which is verified by a thrown exception. I go back and check the file server and under the security tabs, I did add myself which shows smith_B under the security and for kicks, I'm also under Share tab.

Next, I try to authenticate using a "LOCAL" account on the file server. The local account is called username/password: temp/temp. So I set web.config to impersonate=true, userName=temp password=temp. Okay, so I go back into IIS 6.0 and for the virtual directory, I go to "Connect As" and set Username and password to: temp/temp and un-check "always use the authenticated user's credential". Finally, i reload the page. This time the page shows me:

User.Identity.Name: mydomainsmith_B
WindowsIdentity.GetCurrent().Name: temp

perfect, so now I'm impersonating temp. I click a button to access the UNC path and boom, it all works. So why doesn't my local PC authenticate ME, as MYSELF, which is on the domain, which is on the same domain. Why do I have to impersonate a local account to the file server? Why can't I just impersonate myself? Also, If I disable impersonation, it becomes NT AUTHORITYNETWORK SERVICE. This service also can't access the UNC path even when I have enabled the same security and same share settings.

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Access To The Path ... Is Denied?

Feb 6, 2010

My CMS writes a sitemap xml file, for google analytics, to the server whenever I create or update a page. The error is:

error Code:

Access to the path 'D:homeensamplemrweinerschnitzelandpie.comsitemap.xml' is denied.

I imagine that happens because IUSR_machineName doesn't have proper permissions. I have no issues on my development server (which is pretty much default) but to avoid this in the future, instead of having a method that writes an XML file can I just output an XML filestream? I can barely remember the reasons I used the file writing at all (caching and file dependencies maybe) and that's all been replaced.

Am I on the right path by thinking filestream is the answer or can I just write an aspx page that outputs the sitemap.xml file? Am I wrong in imagining there is a difference between the two?

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C# - Access To The Path Is Denied?

Dec 21, 2010

After doing a google search on a problem I couldn't find the solution so I'm asking I'm runnnig an ASP.NET Website locally to upload a picture file. It takes the filename and from there it takes the date (year and month) and then when it gets uploaded, the web site creates a corresponding folder to store the picture like serverPath/pictures/2010/12 where 2010 is the year and 12 is the month, it all works greate locally but when I upload it to my hosting machine (GoDaddy, IIS 7.0) is keeps giving me this error message:"Access to the path X is denied"And it's not automatically creating the folders.This is the code that I'm using to create the folder:

if (!Directory.Exists(nombrePath))
return true;

I'm sure that the path is correct, I've verified the path string and also it works locally

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Access To The Path 'C:WindowsSysWOW64inetsrvProgram.exe' Is Denied?

Nov 17, 2010

This line is highlighted:


Line 9: FileOpen(1, "Stub.exe", OpenMode.Binary, OpenAccess.Read, OpenShare.Default)

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Web Forms :: Access To The Path '\192.168....c' Is Denied?

Apr 19, 2010

Server Error in '/ATM HARDEWARE REPORT_web app' Application.Access to the path '\192.168....c' is denied. Description:An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.Exception Details: System.UnauthorizedAccessException: Access to the path '\' is denied.ASP.NET is not authorized to access the requested resource. Consider granting access rights to the resource to the ASP.NET request identity. ASP.NET has a base process identity (typically {MACHINE}ASPNET on IIS 5 or Network Service on IIS 6) that is used if the application is not impersonating. If the application is impersonating via <identity impersonate="true"/>, the identity will be the anonymous user (typically IUSR_MACHINENAME) or the authenticated request user.To grant ASP.NET access to a file, right-click the file in Explorer, choose "Properties" and select the Security tab. Click "Add" to add the appropriate user or group. Highlight the ASP.NET account, and check the boxes for the desired access.Source Error:


Line 14: fs.Close()
Line 15: ' Ensure that the target does not exist.
Line 16: File.Delete(path2)
Line 17:
Line 18: ' Copy the file.

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Access To The Path 'Drought\MyTable' Is Denied?

Sep 13, 2010

I want to create a folder under the root and failed.



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Web Forms :: Error - Access To The Path Is Denied

Mar 10, 2010

i have a website in my local PC that works fine, i deployed on the windows server 2003 and all the pages are working but the checkout page.

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Access To Path Denied Account - Windows 7?

Oct 5, 2010

I have seen this error many times in past and what all I used to do was to add aspnet account to the directory and provide it with read and write access. But this time I am trying to run an application in Windows 7(64 bits) - I had to manually enable the IIS from windows feature in Control Panel.

But I dont see any aspnet account in 'security' tab of any of the directories (in its properties). I even ran aspnet_regiis -i in v2.0.50727 and v4.030319 directories. How do I get aspnet user account to show up in any folder?

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Configuration :: Access To Physical Path Denied?

Dec 11, 2010

Via my .aspx pages users can upload photos to my server, and also delete them again.

The uploading works, so users can write new photos to the physical location.

But when trying to delete those photos I get:

Access to the path 'E:wwwrootimagesphotos6_315_P1010619.JPG' is denied.

I checked (via Windows Explorer) what the security properties for that folder are: IIS_IUSRS group has read and write access...

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How To Correct File Upload - Access To Path Is Denied

Mar 25, 2011

Access to path is denied

This code is working properly in my system but in web server it is showing this error

Here is my code:


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Access To Path Denied When Saving An Image With 4.0 Project

Apr 26, 2010

I have an existing application that was written in .NET 3.5. The piece of code in question is using the FileUpload control and its SaveAs method. Its worked perfectly for the past six months, but I've recently upgraded the project to .NET 4.0 and I'm now receiving an "Access to path (...) is denied" every time the method is called. It works fine locally in dev mode but fails on my prod server. I've upgraded the website to run under .NET 4.0 and I've made sure the account (Network Service) it runs under in the app pool has full control. Other than upgrading to .NET 4.0, nothing has changed for the project.

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Web Forms :: Access Denied To Path On File.delete

Apr 26, 2010

I am getting the access denied error while trying to delete file using the file.delete() method even though i have set permitted full control to NETWORK SERVICES user and IUSER_(user_name) and ASP.NET Machine Account users on the folder that contains the file to be deleted.

My page also allows files to be uploaded(to the same folder) and that part works perfectly fine but I get this UnauthorisedAccessException when I try to delete it at app runtime...pls do help me out folks..cant believe this error has taken my whole day..

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C# - Access To The Path Denied When Uploading Excel File

Dec 2, 2010

when uploading an excel file i am receving this error.


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Configuration :: Web Service - Deployed - Access To The Path Is Denied?

Nov 3, 2010

I have created a web service SampleWS.asmx [uses authentication mode="Windows" and identity mpersonate="true"]. Works fine on my dev using VS and Personal web server. Now to move this to QA I have created a Virtual directory called intg pointed it to a physical path on the server Now I have copied the (actually tried publish to this server folder and simple copy and paste) .asmx , dll folder and .cs to this folder on server First I received firbidden access for which I have set execute permissions on IIS to scripts and executables.This fixed the initial issue. The Web service extensions has allow for both 1.1 and 2.0 on IIS Now I receive the following error ..

Access to the path

C:WINDOWSMicrosoft.NETFrameworkv1.1.4322Temporary ASP.NET Filesintgaf936b4453b023c7"

is denied .

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VS 2008 Crystal Report - Access To Path <pathname> Denied

Feb 21, 2010

I'm using Crystal Reports here. In the development stage (not published), my application works perfectly. After publishing, my application also works perfectly but whenever the crystal report involves images (picture of an employee, for example), this error pops-up.


Access to the path <pathname> is denied.


An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.............

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Reading XML File From Client Machine - Getting - Access To The Path Is Denied

Jul 13, 2010

I'm currently trying to READ XML file from the client machine where the user can open from any location (there is no specific location). However, i browse to the folder and select the xml file and when it execute this line (below) it throw an error complaining about access to the path is denied any idea how should i approach?

error: System.UnauthorizedAccessException: Access to the path is Denied
Dim reader As New XmlTextReader(System.IO.Path.GetFullPath(File1.PostedFile.FileName))
Dim m_xmlr As XmlTextReader
'Create the XML Reader
m_xmlr = New XmlTextReader(System.IO.Path.GetFullPath(File1.PostedFile.FileName.ToString()))
'Disable whitespace so that you don't have to read over whitespaces
m_xmlr.WhitespaceHandling = WhitespaceHandling.None
'read the xml declaration and advance to family tag
m_xmlr.Read() **<<<<<ERROR**
'read the family tag
'Load the Loop
While Not m_xmlr.EOF

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Getting Access To The Path Denied While Saving A Zip File Using DotNetZip Library?

Sep 1, 2010

I am trying to create a zip file and save it using DotNetZip library.

But for some reason i get a "Access to the path is denied" error when i try to save it. Code4 is below

Dim zipFile As New ZipFile()
zipFile.CompressionLevel = Ionic.Zlib.CompressionLevel.BestCompression
Dim tempFilePath As String = ""
zipFile.TempFileFolder = "D:Company DataOperationsmedia est_folder_cover_scan"
zipFile.Save(tempFilePath) <== error line

I have given all possible access to the folder. I am using .net 3.5. This whole code works in a web service

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IIS Configuration :: Saving Image In Database - Access To The Path Is Denied

Nov 23, 2013

I have Button=BtnUpload and  fileupload control in my page that save image in database below is code

protected void BtnUpload_Click(object sender, EventArgs e) {
string path = Server.MapPath(".") + "../image/House/services";
string filename = System.IO.Path.GetFileName(fup1.PostedFile.FileName);
string[] validext = { ".jpg", ".png" };
string ext = System.IO.Path.GetExtension(fup1.PostedFile.FileName);
if (Array.IndexOf(validext, ext.ToLower()) < 0)

[Code] ....

But when I upload image with Fileupload and click on btnupload button below error happen..

Server Error in '/' Application.

Access to the path 'C:Inetpubvhostsbehtop.comhttpdocsimageHouseservices8.jpg' is denied.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.UnauthorizedAccessException: Access to the path

[Code] ....

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