I'm trying to save an image to a folder in .NET C# but I get this exception:
Access to the path 'C:\inetpub\wwwroot\mysite\images\savehere' is denied.The error occured at mscorlib because at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy)
at System.IO.FileStream..ctor(String path, FileMode mode)
I gave full control to this folder (savehere) to network service and iis_iusrs, even gave full control to everyone but still getting this exception.
I tried to give access via explorer and via IIS manager, still no luck
I'm doing it on Windows server 2008 R2 and IIS 7.5, Who do I need to give access?
Access to the path 'C:\inetpub\wwwroot\mysite\images\savehere' is denied
Read the message carefully. You are trying to save to a file that has the same name as the directory. That cannot work, you can't overwrite a directory filled with files with a single new file. That would cause undiagnosable data loss, "Access to the path is denied" is the file system fighting back to prevent that from happening.
The exception message is not ideal, but it comes straight from the OS and they are cast in stone. The framework often adds extra checks to generate better messages, but this is an expensive test on a network. Perf is a feature too.
You need to use a name like 'C:\inetpub\wwwroot\mysite\images\savehere\mumble.jpg'. Consider Path.Combine() to reliably generate the path name.
You need to find out from the application pool for the website what is the identity it is running under (by default this is Application Pool Identity) and grant that the correct permissions.
I was having the same problem while trying to create a file on the server (actually a file that is a copy from a template).
Here's the complete error message:
{ERROR} 08/07/2012 22:15:58 - System.UnauthorizedAccessException: Access to the path 'C:\inetpub\wwwroot\SAvE\Templates\Cover.pdf' is denied.
I added a new folder called Templates inside the IIS app folder. One very important thing in my case is that I needed to give the Write (Gravar) permission for the IUSR user on that folder. You may also need to give Network Service and ASP.NET v$.# the same Write permission.
After doing this everything works as expected.
I had exactly the same problem.
The solution was that the file I was trying to access was readonly, as it was copied from a template file that was readonly.
<facepalm />
I got this problem when I try to save the file without set the file name.
Old Code
File.WriteAllBytes(#"E:\Folder", Convert.FromBase64String(Base64String));
Working Code
File.WriteAllBytes(#"E:\Folder\"+ fileName, Convert.FromBase64String(Base64String));
My problem was that I had to ask for Read access only:
FileStream fs = new FileStream(name, FileMode.Open, FileAccess.Read);
In my case, I'm trying to access a file that is set to be read-only
And I solved it by disabling read-only and I got it fixed!
Hope it can be helpful for someone experiencing a situation like me.
What Identity is your Application Pool for the Web application running as, to troubleshoot, try creating a new App Pool with say Network Service as its identity and make your web application use that new App Pool you created and see if the error persists.
The following tip isn't an answer to this thread's original question, but might help some other users who end up on this webpage, after making the same stupid mistake I just did...
I was attempting to get an ASP.Net FileUpload control to upload it's file to a network address which contained a "hidden share", namely:
\MyNetworkServer\c$\SomeDirectoryOrOther
I didn't understand it. If I ran the webpage in Debug mode in Visual Studio, it'd work fine. But when the project was deployed, and was running via an Application Pool user, it refused to find this network directory.
I had checked which user my IIS site was running under, gave this user full permissions to this directory on the "MyNetworkServer" server, etc etc, but nothing worked.
The reason (of course!) is that only Administrators are able to "see" these hidden drive shares.
My solution was simply to create a "normal" share to
\MyNetworkServer\SomeDirectoryOrOther
and this got rid of the "Access to the path... is denied" error. The FileUpload was able to successfully run the command
fileUpload.SaveAs(networkFilename);
Hope this helps some other users who make the same mistake I did !
Note also that if you're uploading large files (over 4Mb), then IIS7 requires that you modify the web.config file in two places. Click on this link to read what you need to do:
Uploading large files in ASP.Net
please add IIS_IUSERS full control permission to your folder.
you find this option from security tab in folder properties.
I Solved with this setting:
IIS > Application Pools > [your site] > Advanced Settings... >
Identity > Built-in accound > LocalSystem
My problem was something like that:
FileStream ms = new FileStream(path, FileMode.Open, FileAccess.ReadWrite);
but instead of using path I should use File.FullName...
I don't know if it's going to help anyone else, just passing my own experience with this erro given!
Change the setting from built-in account to custom account and enter the other server's username and password.
Keep the setting as integrated (instead of classic mode).
If you get this error while uploading files in Sub domain And working correct in your localhost, then follow below steps:
Solution:
Plesk Panel
Login to your Plesk Panel. Select Your Sub domain which is giving error.
Click on Hosting settings.
Select Additional write/modify permissions and Apply.
CPanel
I am not sure about options available in CPanel. But IF you give permission to directory (In CPanel it has to be decimal number like 777, 755) will resolve the error.
For more details refer here
Reason for Error:
Let's Assume FileUpload.SaveAs(Server.MapPath("~/uploads/" + *YOUR_FILENAME*)) will be your code to move your files to upload path.
Server.MapPath will give you physical path (Real Path) of directory. But your Sub domain may don't have permission for access physical path.
So, If you give permission for sub domain to access write/modify permission, it will resolve the issue.
you need to add access parameter with ReadWrite value as following
using (var stream = new FileStream(localPath, FileMode.Create, access : FileAccess.ReadWrite))
{
file.CopyTo(stream);
}
Make Directory savehere to be virtual directory and give read/write permission from control panel
Had a directory by the same name as the file i was trying to write, so people can look out for that as well.
I encountered this problem while developing on my local workstation.
After several unsuccessful iisreset invocations, I remedied this situation by rebooting my machine.
In retrospect, an open file handle may have been causing issues.
In my case I had to add a .NET Authorization Rule for the web site in IIS.
I added a rule to allow anonymous users.
I had the same problem but I fixed it by saving the file in a different location and then copying the file and pasting it in the location where I wanted it to be. I used the option to replace the the existing file and that did the trick for me. I know this is not the most efficient way but it works and takes less than 15 seconds.
Maybe it'il help you.
string tempDirectoryPath = #"C:\Users\HOPE\Desktop\Test Folder";
string zipFilePath = #"C:\Users\HOPE\Desktop\7za920.zip";
Directory.CreateDirectory(tempDirectoryPath);
ZipFile.ExtractToDirectory(zipFilePath, tempDirectoryPath);
I had a lot of trouble with this, specifically related to my code running locally but when I needed to run it on IIS it was throwing this error. I found that adding a check to my code and letting the application create the folder on the first run fixed the issue without having to mess with the folders authorizations.
something like this before you call your method that uses the folder
bool exists = System.IO.Directory.Exists("mypath");
if (!exists)
System.IO.Directory.CreateDirectory("mypath");
You can try to check if your web properties for the project didn't switch to IIS Express and change it back to IIS Local
Make sure you that your target in System.IO.Delete(string file) is a file which is existed.
Maybe there is a mistake in your code ;Like you don't pass the correct file name to the method , or your target is a folder. In these cases you'll see the : "access to the path is denied error".
I recently encountered the problem while trying to access a file that was passed through command-line parameters into my .Net Core application, It happened due to the fact that when the application is run under a "Open with" (System explorer context menu under a file) system menu, the currently active user may vary, and the user didn't have the access right to my external drive that I was trying to open a file from.
It took me like 3-4 hours to understand and I solved it by setting the security settings for the folder that contained the file.
For Windows 10 x64 :
Just use Properties -> Security -> Users and Groups -> Change.. -> Add -> Additional -> Search -> <your windows account name> -> OK -> OK -> Set full access for your current account. Also make sure that the file is "unblocked" in properties.
I created a virtual dir with full permission and added the ffmpeg source and video files there, so finally it made sense as it can be acess by anyone.
I have this exact (best as I can see) scenario on a test server and it works as expected.
IIS Application needs to move a file on the D drive from one sub folder to another subfolder
D:\supportfiles\new (file is here)
D:\supportfiles\backup (file needs to be moved here)
I gave the app pool modify access to the top level folder, D:\supportfiles
This works as expected on my test server, but not on a different server that I published to. The app pool has permissions, or at least it appears it does.
I get this error
System.UnauthorizedAccessException: Access to the path is denied.
File.Move(OldPath + FileName, NewPath + FileName);
Go to advance settings of your application apppool and set it to LocalSystem instead of apppool identity. Or setup a new user specially for using in apppool.
It's usually caused for some os hardening issues on product servers.
it happened to me. console application for sure. start as an administrator and try again?
The file path that I'm checking with File.Exists() resides on a mapped drive (Z:\hello.txt). The code runs fine in debug environment, however in IIS, it always returns false
var fullFileName = string.Format("{0}\\{1}", ConfigurationManager.AppSettings["FileName"], fileName);
if (System.IO.File.Exists(fullFileName))
Why is this so, and how can I workaround this?
I have granted everyone full read/write permissions in that mapped drive
EDIT:
I tried deleting the file via \\192.168.1.12\Examples\Files\2.xml and I get the same result. It doesn't detect the file on IIS, but works fine on debug
I think your application do not has permission on "Z:"
Is "Z:" network disk?
I have had similar issues using network mapped drives, when running debug code application works perfectly and when running release version application cannot find the file.
If the files are stored on the same server as the application is deployed we found a solution by storing the local drive directory location of the mapped drive for example Z:\files\ could be E:\folder\folder1\
If the application is deployed on a separate server we found using the full network name works for example \\server1\folder\
I hope this proves helpful to you.
Your web application is running under a certain security context and you need to find out what context this is. If it's a normal user, open a command prompt as the user (using the runas tool), map the required drive using the command prompt (be sure to use the /persistent:yes flag)
Alternatively why can't you just use a UNC path (\\serverName\shareName) and avoid all this nonsense?
EDIT: 2013-05-27
To troubleshoot this, create a new application pool, based on whatever app pool you want. Then set the identity that this pool runs under as shown in the attached screenshot.
Make sure that this user has the correct privileges on the file share and then retest it
May be you should use Path.DirectorySeparatorChar
Seems that everything I do involves win services copying files across servers. I seem to get a lot of security & securityaccess type exceptions and never fully understand the causes. I am wondering if fileinfo or file.copy is a good solution or if there is a better. Is there a particular attribute I should be using or something to avoid these errors? Issue is not account or password related. example are \ipaddress\sharename \ipaddress\drive\path using domain accounts.
---Added Specific example.---
- I log on to serverA as domain\username. (including domain name)
- I open file eplorer in the address bar enter \\serverB\c$\folder hit enter, I right-click, create new file. No problem.
- I install service, go to properties select Log On, This Account and set the username as domain\username (including the domain name) same password I logged onto serverA with. It accepts it no problem.
Application does a FileSystemWatcher on \\serverA and copy to \\serverB when changed to keep the config files in sync.
private void CopyNewFileToClone()
{
FileInfo OriginalConfigFile = new FileInfo(Path.Combine(ConfigurationManager.AppSettings.Get("directoryToWatch"), ConfigurationManager.AppSettings.Get("fileToWatch")));
FileInfo CloneConfigFile = new FileInfo(Path.Combine(ConfigurationManager.AppSettings.Get("directoryToCopyTo"), ConfigurationManager.AppSettings.Get("fileToCopyTo")));
FileInfo tmp = new FileInfo(Path.Combine(CloneConfigFile.DirectoryName,"~" + CloneConfigFile.Name));
OriginalConfigFile.CopyTo(tmp.FullName, true);
tmp.CopyTo(CloneConfigFile.FullName, true);
tmp.Delete();
}
When I start the service I get Service cannot be started.
System.UnauthorizedAccessException: Access to the path '\\serverB\C$\folder\filename' is denied.
I use fileinfo to copy files from servers and it seems to work fine. If your sure it's not a account or password issue I would start looking at your DNS. If the network can't resolve what account is trying to access the network folder it won't matter if you are using a valid account. You may get lucky some/most of the time with cached accounts but there is no telling when it might not work and when it will work.
I would trace the network if you are getting a lot of broadcast messages for failed responses.
This was due to Code Access Security policy. Ran
c:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe -af <path\application.exe>
and error resolved.
Adding as a installation step in all apps that need to write to HD, especially accross network via unc such as \server\share\file.
I have an ASP.NET web application that calls a .NET DLL, that in turn calls a web service. The web service call is throwing an exception:
Unable to generate a temporary class
(result=1). error CS0001: Internal
compiler error (0xc00000fd) error
CS0003: Out of memory
Stack Trace: at
System.Xml.Serialization.Compiler.Compile(Assembly
parent, String ns,
XmlSerializerCompilerParameters
xmlParameters, Evidence evidence)
at
System.Xml.Serialization.TempAssembly.GenerateAssembly(XmlMapping[]
xmlMappings, Type[] types, String
defaultNamespace, Evidence evidence,
XmlSerializerCompilerParameters
parameters, Assembly assembly,
Hashtable assemblies) at
System.Xml.Serialization.TempAssembly..ctor(XmlMapping[]
xmlMappings, Type[] types, String
defaultNamespace, String location,
Evidence evidence) at
System.Xml.Serialization.XmlSerializer.GetSerializersFromCache(XmlMapping[]
mappings, Type type) at
System.Xml.Serialization.XmlSerializer.FromMappings(XmlMapping[]
mappings, Type type) at
System.Web.Services.Protocols.SoapClientType..ctor(Type
type) at
System.Web.Services.Protocols.SoapHttpClientProtocol..ctor()
I should mention that this is the first time I have executed this particular bit of code on this PC (I recently did a Windows reformat/reinstall) -- which makes me think it is a problem with the environment (the same application runs fine on our test and production servers). But I'm stumped as to the cause.
Some additional details to answer follow-up questions:
This is a real PC (not a VM).
I'm running .NET 3.5 on IIS 7. Our production servers are IIS 6, but it has worked correctly on IIS 7 before.
The PC has 2 GB of RAM with plenty of that free.
I haven't changed any of the machine.config settings, nor any of the web.config settings related to process model, compilation, memory usage, etc.
The local IIS_IUSRS group has read/write permissions for the "Temporary ASP.NET Files" folder.
I checked the application pool settings: both private memory and virtual memory are set to 0 (no limit).
Memory usage of the worker process:
I recycled the worker process to get a clean slate and then hit an ASP.NET page in the application...Task Manager shows 22 MB used.
I then hit the event that makes the web service call and the memory usage shoots up to about 150 MB, levels off, then I get the exception.
Thanks for adding more detail.
Have a look at this link: http://support.microsoft.com/?kbid=908158
It's similiar to the problem you're having.
It recommends the following:
To resolve this issue, grant the user account the List Folder Contents and Read permissions on the %windir%\Temp folder.
This one:
http://club.workflowgen.com/scripts/club/publigen/content/templates/show.asp?P=53&L=EN
recommends:
To avoid this problem, give read/write priviledges for the Temp folder to the ASPNET account. When ASP.NET Web Services process WebMethods, the identity that is used most frequently to gain access to the system Temp folder is the local ASPNET account, which is the default account under which ASP.NET applications run.
However, if you have configured your application to use impersonation in its Web.config file, the thread can also use the identity of any caller. If this is the case, all potential calling identities must have read/write priviledges to the Temp folder. A likely calling identity is the Internet Information Services (IIS) application's anonymous account (typically the ISUR_xxx account). The thread may also use the IWAM_xxx account or NETWORK SERVICE.
Well, I'm not sure exactly why this worked (which is frustrating), but I did come up with something...
My previous install of Windows was 32-bit, but when I rebuilt my PC recently, I went with the 64-bit version. So, I changed the "Enable 32-Bit Applications" setting on my application pool in IIS to "True", and everything seems to work fine now.
The DLL and the web site itself are configured to compile as "Any CPU", so they shouldn't have caused any problems on Win64. And the "out of memory" error is still a bit perplexing (and unhelpful). If anyone has any ideas, you get the "accepted" points.
It's trying to compile, does it need writable access to some temp directory.