bInitialOwner [in] If this value is TRUE and the caller created the mutex, the calling thread obtains initial ownership of the mutex object. The Global\ thing needed to be fixed, but if you are experiencing the problem still, then there must be a additional cause of your failure. Top CreateMutex () fails with "Access is denied" by Bob Moor » Fri, 25 Apr 2003 05:39:32 >My program needs to obtain a handle to a named mutex, which was created If you do need things to be cross-session, you should be creating this mutex in a service or something like that and acling it to be accessible by parties without SeCreateGlobalPrivilege. get redirected here
However, a process is running at high integrity level we can certainly create the resource with low integrity level access so that any Access token with low integrity SID can be Visual C++ MVP Thanks. I logon with the same user credential every time I run this. Join them; it only takes a minute: Sign up CreateMutex — “Access is denied” up vote 2 down vote favorite 1 The following code works without any problem sometimes and at
The remainder of the name can contain any character except the backslash character (\). Tell us how we may improve it. Making my building blocks modular Inverse permutation index Unix command that immediately returns a particular return code? It > does not happen if both applications are running as a service or both are > not running as a service.
All rights reserved. Resolution Open Task Manager in Windows and kill processes that listed in the error. To limit your application to one instance per user, create a locked file in the user's profile directory. When the mutex's state is signaled, one waiting thread is granted ownership, the mutex's state changes to nonsignaled, and the wait function returns.
Yes No Sorry, something has gone wrong. When using this technique, you should set the bInitialOwner flag to FALSE; otherwise, it can be difficult to be certain which process has initial ownership. Kinect High Definition Face Tracking Algorithm Question Netcfgx.dll and IsWriteLocked API is not working on Windows 10130 Impossible to uninstall Windows SDK Black image from the cam Direct2d Desktop printing C++ https://blogs.msdn.microsoft.com/winsdk/2009/11/10/access-denied-on-a-mutex/ To prevent this situation, create a randomly named mutex and store the name so that it can only be obtained by an authorized user.
Yes, that's what I actually thought - the code shown above is used by a DLL that is called by either a service or a user mode app, and the mutex' Why do Trampolines work? Thanks, Guy Thursday, February 24, 2011 4:42 PM Reply | Quote 0 Sign in to vote This may not be the only thing that is wrong with your application. Trying to login messenger :"Sorry, your session has expired.
Additional information: The same behavior is observed when creating the mutex in the Local namespace. https://kb.plesk.com/en/128532 Monday, February 28, 2011 9:13 PM Reply | Quote 0 Sign in to vote Hi, I have similar issue, In Vista, UAC is turned on, 1. Error Found When Createmutex Access Denied Regarding the idea of using OpenMutex instead of CreateMutex - I tried this and it makes no difference. C# Mutex I'm using the same login account/password and session to stop and start the service, and run the stand alone executable.
The multiple-object wait functions can be instructed to return either when any one or when all of the specified objects are signaled. Get More Info Only one thread can own a mutex at any given time. I get access is denied error intermittently when I make CreateMutex(NULL, FALSE, MutexName); The call works absolutely fine sometimes. I'm going to ignore that and instead explain why this should be failing. Createfile
Requirements Minimum supported client Windows XP [desktop apps | Windows Store apps] Minimum supported server Windows Server 2003 [desktop apps | Windows Store apps] Header WinBase.h on Windows XP, Windows Server 2003, Windows Vista, Windows 7, Windows How does he know? 21 answers Terms Privacy AdChoices RSS ⌂HomeMailNewsSportFinanceCelebrityStyleWeatherAnswersFlickrMobileMore⋁MessengerMoviesGroups Yahoo UK & Ireland Answers 👤 Sign in ✉ Mail ⚙ Help Account info Help Send feedback Answers Home All OpenProcess fails with "access denied" 8.
Featured Post Top 6 Sources for Identifying Threat Actor TTPs Promoted by Recorded Future Understanding your enemy is essential. The method is listed above. Top CreateMutex () fails with "Access is denied" by Max Busc » Sun, 27 Apr 2003 00:03:31 The CreateMutex () call did not always fail when one program was running as Could clouds on aircraft wings produce lightning?
Use of any included script samples are subject to the terms specified at http://www.microsoft.com/info/cpyright.htm > > Do you specify a security descriptor when you create the mutex in the first > However for mine this hasn't been the case, and I still have been getting the error code 5 on the CreateMutex call. when right click and 'Run as Administrator' , the .Net application and call the COM server it is working fine. this page lpName [in, optional] The name of the mutex object.
That said, now here's the problem: In the dll, there is an interface that has a call to CreateMutex which succeeds if the service executable is not running and the other Please not that IE and application would run in the same user’s context (for almost every case). In XP, or when running the process as Administrator, I am indeed getting a good handle andERROR_ALREADY_EXISTS, as expected. Video should be smaller than 600 MB/5 minutes Photo should be smaller than 5 MB Video should be smaller than 600 MB/5 minutesPhoto should be smaller than 5 MB Related Questions
However, if the caller has limited access rights, the function will fail with ERROR_ACCESS_DENIED and the caller should use the OpenMutex function. So do I have to assign a null DACL in the security setting? GetVersionEx will help you determining the version of the OS at run time. -PrateekTags Access Denied integrity level Comments (0) Cancel reply Name * Email * Website Follow UsPopular TagsNetworking If not, could you help me grant this access please?
any idea? Typically, you would not wait repeatedly for the same mutex, but this mechanism prevents a thread from deadlocking itself while waiting for a mutex that it already owns. Sincerely, Bob BaoBob Bao [MSFT] MSDN Community Support | Feedback to us Get or Request Code Sample from Microsoft Please remember to mark the replies as answers if they help and If lpName matches the name of an existing named mutex object, this function requests the MUTEX_ALL_ACCESS access right.
I don't know if this would have any effect or not but in the Services utility, the executable file running as a service is started using the following startup parameters: Log