Fix cmmigr.dll Errors

Sometimes Windows system displays error messages regarding corrupted or missing cmmigr.dll files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent cmmigr.dll file can therefore effect in failed execution of the started process.

cmmigr.dll file Microsoft Connection Manager Migration Lib. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of cmmigr.dll related errors on your device. You can also download cmmigr.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 8, Windows 7, Windows 7, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 8, Windows 7, Windows 7, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows Vista, Windows Vista

User popularity

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download cmmigr.dll

4.1 List of cmmigr.dll file versions

File info

General information
Filename	cmmigr.dll
File extension	DLL
Description	Microsoft Connection Manager Migration Lib

Software
Program	Microsoft(R) Connection Manager
Author	Microsoft Corporation

Details
MIME type	application/octet-stream
File type	Dynamic link library
System	Windows NT 32-bit
Copyrights	© Microsoft Corporation. All rights reserved.
Character set	Unicode
Language cod	English (U.S.)

Most common cmmigr.dll file related problems

There are various types of errors related to cmmigr.dll file. cmmigr.dll file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to cmmigr.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

cmmigr.dll is corrupted
cmmigr.dll cannot be located
Runtime Error - cmmigr.dll
cmmigr.dll file error
cmmigr.dll file cannot be loaded. Module was not found
cannot register cmmigr.dll file:
cmmigr.dll file could not be loaded
cmmigr.dll file doesn't exist

cmmigr.dll

Application could not be started because cmmigr.dll file is missing. Reinstall the application to solve the problem.

Problems related to cmmigr.dll can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing cmmigr.dll file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

How to fix cmmigr.dll errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

cmmigr.dll file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with cmmigr.dll file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Installing relevant Microsoft Windows patches and updates may solve your problems related to cmmigr.dll file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of cmmigr.dll or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to cmmigr.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the cmmigr.dll file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the cmmigr.dll file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the cmmigr.dll file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace cmmigr.dll file

The last solution is to manually download and replace cmmigr.dll file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded cmmigr.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of cmmigr.dll file example directory paths.

Windows 10: C:\Windows\System32\Setup\
Windows 8.1: C:\Windows\System32\Setup\
Windows 8: 1: C:\Windows\System32\Setup\
Windows 8: 1: C:\Windows\System32\Setup\
Windows 7: ---
Windows 7: ---
Windows 7: ---
Windows 7: ---
Windows Vista: ---
Windows Vista: ---
Windows Vista: ---
Windows Vista: ---

If the steps did not solve your cmmigr.dll file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename cmmigr.dll

System Windows 10

File size 54272 bytes

Date 2017-03-18

Download

File details
	MD5	33f562b4279ac39b0fcf5a4d30c1850a
	SHA1	8dc381a218a5894c23f46e98ddfbf6fa6047cf3c
	SHA256	9f159cdb6596df1c1adfbe80c2f111e9469fc4693a42db9e41a8cef16759b8b3
	CRC32	d06e8943
	Example file location	C:\Windows\System32\Setup\

Filename cmmigr.dll

System Windows 8.1

File size 55808 bytes

Date 2014-11-21

Download

File details
	MD5	e3a465ffc13aa4eec46440f78487f918
	SHA1	0972da9d94d868695dd2177b44a4c989545ff119
	SHA256	bb79609e6e3e7b3924f32fd72a6006df19093252af358b009aa33ecd3903f153
	CRC32	36ab538e
	Example file location	C:\Windows\System32\Setup\

Filename cmmigr.dll

System Windows 8

File size 53760 bytes

Date 2012-07-26

Download

File details
	MD5	6239477d9807548957aaad63ff9c1f9e
	SHA1	708c4e6a52b00ff853afbadceda3f5f1c916b796
	SHA256	6f7ec0ef5b95798f6d26f5b8ef5ad2551d36a4da428ca27c8b10ae6435e20b64
	CRC32	d487d78f
	Example file location	1: C:\Windows\System32\Setup\

Filename cmmigr.dll

System Windows 8

File size 53760 bytes

Date -0001-11-30

Download

File details
	MD5	66b3db7ee9d093bafacbd8bc9c173ae9
	SHA1	5d41ee6f0e76d97b68bbb532093506ec60161708
	SHA256	fae8160ad0d06707f3cf9449892974e669f019e4491396a8ac4713ff85faba04
	CRC32	0e975dc0
	Example file location	1: C:\Windows\System32\Setup\

Filename cmmigr.dll

System Windows 7

File size 64000 bytes

Date -0001-11-30

Download

File details
	MD5	2e5f2c645be8a487f259e63a1339cc84
	SHA1	b44fb6595103e7fa48ee37640765e837865a3123
	SHA256	1a67a955d98b1778ef86ffb0e7fe4a4cba68bd0f2bfb6ea030544fcc55354d3b
	CRC32	48dac375
	Example file location	---

Filename cmmigr.dll

System Windows 7

File size 64000 bytes

Date 2009-07-14

Download

File details
	MD5	4e176d3d5f4808c9d060991d4dece42a
	SHA1	6230a7fb6dda8889d603b2d1d24cbf1a5b7e7f7d
	SHA256	a23d4e01884beea6d40252e48866cb1e291b5107d5935f949e716bc20071ad6f
	CRC32	bc777684
	Example file location	---

Filename cmmigr.dll

System Windows 7

File size 58368 bytes

Date -0001-11-30

Download

File details
	MD5	e05b52e9ac2aa3427681f86d677d8e87
	SHA1	4b901f901b82cfc3e6f0a77488ebb36dcf5aa234
	SHA256	096905d8e92f9785bac7462e26bb992dace638f2ac48103625d084a095f23cb7
	CRC32	2427ef96
	Example file location	---

Filename cmmigr.dll

System Windows 7

File size 58368 bytes

Date -0001-11-30

Download

File details
	MD5	fb9d396b5f24a6af55c127598535a562
	SHA1	66256f58959156db3a6b204f7762ff5591c103ad
	SHA256	96b20e894ad10f3dbfae9712c96b3542b2db3897285630bec077dad5b39fba56
	CRC32	4fbe227c
	Example file location	---

Filename cmmigr.dll

System Windows Vista

File size 56320 bytes

Date -0001-11-30

Download

File details
	MD5	30ea4c0b780f98b883ad4a6e89b592bc
	SHA1	b6f6a4661ab2a511421a20504d5654467ab6a910
	SHA256	04089ca42f1b5275443cc08d0ba57db4d7993851bebcf13f89599ad7887d69a9
	CRC32	5da47d61
	Example file location	---

Filename cmmigr.dll

System Windows Vista

File size 61952 bytes

Date 2008-01-21

Download

File details
	MD5	35dc180a9696b2e1e17e452a5907a4f7
	SHA1	b6da0fc04e38639a56f3d1b71e05a8498152bb87
	SHA256	1f6c5575ccaad59124fc051e10de5c51b8d157429a48a35c8aea923640b26a1a
	CRC32	7836cdf5
	Example file location	---

Filename cmmigr.dll

System Windows Vista

File size 56320 bytes

Date -0001-11-30

Download

File details
	MD5	545f18c3723d81eb027c17b7eeb1cb52
	SHA1	1d928ae1f971b5f802eab6c67d28fd3e69b62415
	SHA256	5aa60db15e6f56a7226654fab816c351db82278450de5714b60a19dd42df1861
	CRC32	61762cb4
	Example file location	---

Filename cmmigr.dll

System Windows Vista

File size 61952 bytes

Date -0001-11-30

Download

File details
	MD5	bfbadff4c56fa43348b24d73a8a3e698
	SHA1	f2660718554ad90fb3c44cd04608d5163d6e9f5d
	SHA256	20aedc2cdc43138f8641dfcc25846fb01b79ab14d4bdfc9bf33095eaed731d9c
	CRC32	c91b9161
	Example file location	---