Regsvr32

regsvr32Developer(s)| Microsoft, ReactOS Contributors

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Initial release| February 17, 2000; 25 years ago (2000-02-17)
Operating system| Windows, ReactOS
Platform| 32-bit and 64-bit
Type| Command
License| Windows: Proprietary commercial software
ReactOS: GNU General Public License
Website| docs.microsoft.com/en-us/windows-server/administration/windows-commands/regsvr32

In computing, `regsvr32` (Register Server) is a command-line utility in Microsoft Windows and ReactOS[1] for registering and unregistering DLLs and ActiveX controls in the operating system Registry.[2] Despite the suffix "32" in the name of the file, there are both 32-bit and 64-bit versions of this utility (with identical names, but in different directories).[3] `regsvr32` requires elevated privileges.[4]

To be used with `regsvr32`, a DLL must export the functions `DllRegisterServer` and `DllUnregisterServer`.[5]

The `regsvr32` command is comparable to `ldconfig` in Linux.

## Contents

* 1 Example usage
* 2 References
* 3 Further reading
* 4 External links

## Example usage

`regsvr32 shmedia.dll` for registering a file

`regsvr32 shmedia.dll /s ` for registering a file without the dialog box ( silent )

`regsvr32 /u shmedia.dll` for unregistering a file

`regsvr32 shmedia.dll /u /s ` for unregistering a file without the dialog box ( silent )

If another copy of shmedia.dll exists in the system search path, regsvr32 may choose that copy instead of the one in the current directory. This problem can usually be solved by specifying a full path (e.g., c:\windows\system32\shmedia.dll) or using the following syntax:

`regsvr32 .\shmedia.dll`

## References

1. ↑ "Reactos/Reactos". 3 November 2021. https://github.com/reactos/reactos/blob/master/base/system/regsvr32/regsvr32.c.
2. ↑ "Regsvr32". TechNet. Microsoft. https://technet.microsoft.com/en-us/library/bb490985.aspx.
3. ↑ How to use the Regsvr32 tool and troubleshoot Regsvr32 error messages:, Microsoft, 14 August 2015. Accessed 2019-02-10.
4. ↑ Regsvr32 - Register a DLL - Windows CMD - SS64.com
5. ↑ "INFO: How Regsvr32.exe Registers and Unregisters COM DLLs". Support. Microsoft. March 24, 2009. http://support.microsoft.com/kb/207132.

## Further reading

* John Paul Mueller (2007). Windows Administration at the Command Line for Windows Vista, Windows 2003, Windows XP, and Windows 2000. John Wiley & Sons. ISBN 978-0470165799.
* Stanek, William R. (2008). Windows Command-Line Administrator's Pocket Consultant, 2nd Edition. Microsoft Press. ISBN 978-0735622623.

## External links

* Microsoft TechNet Regsvr32 article
* Explanation of Regsvr32 Usage and Error Messages
* C# Frequently Asked Questions: What is the equivalent to regsvr32 in .NET?
* A free graphical user interface for regsvr32.exe

* v
* t
* e

Windows command-line programs and shell builtins

* COMMAND.COM
* Command Prompt
* Windows PowerShell
* Recovery Console

File system navigation|

* cd (chdir)
* dir
* popd
* pushd
* tree

File management|

* attrib
* cacls
* cipher
* compact
* copy
* del (erase)
* deltree
* expand
* icacls
* makecab
* mkdir (md)
* mklink
* move
* recover
* ren (rename)
* replace
* rmdir (rd)
* robocopy
* tar
* xcopy

Disk management|

* chkdsk
* convert
* defrag
* diskcomp
* diskcopy
* diskpart
* drvspace
* fdisk
* format
* label
* manage-bde
* subst
* scandisk
* sys
* vol
* vssadmin

Processes|

* at
* exit
* kill
* powercfg
* runas
* sc
* schtasks
* shutdown
* start
* taskkill
* tasklist

Registry|

* assoc
* ftype
* reg
* regini
* regsvr32

User environment|

* date
* mode
* path
* set
* setx
* time
* title
* ver
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Maintenance and care|

* driverquery
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* w32tm
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Boot management|

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Software development|

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Miscellaneous|

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* List of DOS commands
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* v
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Microsoft Windows components

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tools|

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Shell|

* Action Center
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Server|

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* Server Core

Architecture|

* Architecture of Windows NT
* Startup process
* NT
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* CSRSS
* Desktop Window Manager
* Portable Executable
* EXE
* DLL
* Enhanced Write Filter
* Graphics Device Interface
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* Server Message Block
* Shadow Copy
* SMSS
* System Idle Process
* USER
* WHEA
* Win32 console
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Security|

* Security and Maintenance
* AppLocker
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* Credential Guard
* Data Execution Prevention
* Family Safety
* Kernel Patch Protection
* Mandatory Integrity Control
* Protected Media Path
* User Account Control
* User Interface Privilege Isolation
* Windows Defender
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Compatibility|

* COMMAND.COM
* Virtual DOS machine
* Windows on Windows
* WoW64
* Windows Subsystem for Linux

API|

* Active Scripting
* WSH
* VBScript
* JScript
* COM
* ActiveX
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* COM Structured storage
* DCOM
* OLE
* OLE Automation
* Transaction Server
* DirectX
* .NET Framework
* Universal Windows Platform
* Windows Mixed Reality
* Windows Runtime
* WinUSB

Games|

* Solitaire Collection

Discontinued|

| Games|

* 3D Pinball
* Chess Titans
* FreeCell
* Hearts
* InkBall
* Hold 'Em
* Purble Place
* Reversi
* Spider Solitaire
* Solitaire
* Tinker

|

Apps|

* ActiveMovie
* Anytime Upgrade
* Address Book
* Backup and Restore
* Cardfile
* CardSpace
* CD Player
* Contacts
* Desktop Gadgets
* Diagnostics
* DriveSpace
* DVD Maker
* Easy Transfer
* Fax
* Food & Drink
* Help and Support Center
* Health & Fitness
* HyperTerminal
* Internet Explorer
* Journal
* Media Center
* Meeting Space
* Messaging
* Messenger
* Mobile Device Center
* Movie Maker
* MSN Dial-up
* NetMeeting
* NTBackup
* Outlook Express
* Travel
* Photo Gallery
* Photo Viewer
* Program Manager
* Steps Recorder
* Syskey
* WinHelp
* Write

Others|

* ScanDisk
* File Protection
* Media Control Interface
* Next-Generation Secure Computing Base
* POSIX subsystem
* Interix
* Video for Windows
* Windows SideShow
* Windows Services for UNIX
* Windows System Assessment Tool
* WinFS

Spun off to
Microsoft Store|

* DVD Player
* Hover!
* Mahjong
* Minesweeper

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Original source: https://en.wikipedia.org/wiki/Regsvr32. Read more

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