You can delete these . dmp files to free up space, which is a good idea because they may be very large in size — if your computer has blue-screened, you may have a MEMORY. DMP file of 800 MB or more taking up space on your system drive. Windows helps you automatically delete these files.
The hdmp files are the large, uncompressed dumps from the crashing program. The mdmp files are the compressed dumps that are sent to microsoft. As these are just files being used for debugging, you can delete them all safely.
It's completely safe to delete temporary files from your computer. It's easy to delete the files and then restart your PC for normal use. The job is usually done automatically by your computer, but it doesn't mean that you can't perform the task manually.
MDMP is a compressed file created by Windows after a program error or crash. It contains data dumped from the memory space. It saves information about the error, which can be used for debugging. It is created along with an uncompressed HDMP file and can be sent to Microsoft as part of a bug reporting process.
Open the dump file
- Click Start, click Run, type cmd , and then click OK.
- Change to the Debugging Tools for Windows folder. To do this, type the following at the command prompt, and then press ENTER: Console Copy.
- To load the dump file into a debugger, type one of the following commands, and then press ENTER: Console Copy.
Crash dump files can be very large, so if you have enabled your system to store these files, do not retain them for longer than necessary.
- Become superuser.
- Change to the directory where crash dump files are stored. # cd /var/crash/ system.
- Remove the crash dump files. # rm *
- Verify the crash dump files are removed. # ls.
Programs that open DMP files
- Windows Debug Tools.
- Microsoft Visual Studio 2019. Free+
- NirSoft BlueScreenView.
The default location of the dump file is %SystemRoot%memory.dmp i.e C:\Windows\memory. dmp if C: is the system drive. Windows can also capture small memory dumps which occupy less space.
Analyze dump file
- Open Start.
- Search for WinDbg, right-click the top result, select the Run as administrator option.
- Click the File menu.
- Click on Start debugging.
- Select the Open sump file option.
- Select the dump file from the folder location – for example, %SystemRoot%\Minidump .
- Click the Open button.
The data that is contained in these MDMP files is compressed and can later be sent to Microsoft to report errors within the software. Microsoft can then use the information in the files to debug the software application. MDMP files are usually saved with an uncompressed HDMP version of the file.
If you have Microsoft Visual Studio installed, you can analyze the MDMP file yourself. To do so, navigate to File > Open > Project. When selecting "Dump Files" as the type of files displayed, you can choose your MDMP file for opening and run the debugger.
Dumps indicate that something is not working as expected in SQL Server and forcing SQL to either terminate the process or terminate itself.
If you have taken care of patching and CHECKDB is clean but still get dump files, then my advice would be to contact Microsoft SQL Support team. If your log folder has several dumps for a few years ago and then no dumps for several months, then a few recent dumps, you can safely delete the old dumps.
The minidump files are created whenever your system has a blue screen of death or any other application crashes in the background. In case you do not want to troubleshoot that ,you can delete them as its safe but you should not delete everything in disk cleanup.
Since memory dumps contain copies of a good portion of your computer's memory, this . dmp file might have a file size of up to 800 MBs. If you are experiencing a shortage of memory on your hard drive and want to free up some of the space, then deleting these memory dumps would be a good choice.
Enable complete memory dumps
- In the System Properties windows, under Startup and Recovery, click Settings.
- From the Write debugging information drop-down menu, select Complete memory dump.
- Check Overwrite any existing file.
- Click OK.
- A message about pagefile requirements may appear; if it does, click Yes.
- Click OK.
Some of the methods are listed below, use that works best for you. Open the phone dialer, dial *#9900# and select the 2nd option “Delete dumpstate/logcat†in the prompted menu. Select ok to 'Delete Dump' and hit exit. This will restore heaps of storage space by deleting all the log files in the device memory.
A Complete Memory Dump is the largest kernel-mode dump file. This file includes all of the physical memory that is used by Windows. A complete memory dump does not, by default, include physical memory that is used by the platform firmware. The Complete Memory Dump file is written to %SystemRoot%\Memory.
The blue screen with system memory dump error screen will pop just before the system gets rebooted or sometimes during any operation. BSOD is basically caused by applications or drivers that are not compatible with the operating system of your computer.
Windows 10 dump file locationIf your system drive is C:, then the dump file will be located in C:\Windows\memory.dmp. If you're looking for the small memory dump files, then you will find them located in C:\Window\Minidump. dmp.