How to Download and Fix dnsapi.dll?

Sometimes Windows system displays error messages regarding corrupted or missing dnsapi.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 dnsapi.dll file can therefore effect in failed execution of the started process.

dnsapi.dll file DNS Client API DLL. 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 dnsapi.dll related errors on your device. You can also download dnsapi.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

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

File info

General information
Filename dnsapi.dll
File extension DLL
Description DNS Client API DLL
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
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.)

There are various types of errors related to dnsapi.dll file. dnsapi.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 dnsapi.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to dnsapi.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 dnsapi.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.

dnsapi.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

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with dnsapi.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.

Windows Update

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

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. 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 dnsapi.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

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 dnsapi.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the dnsapi.dll file with properly working version. To use the tool:

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

Step 4: Restoring Windows system

Windows Recovery

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

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

If all the above-mentioned methods failed and the dnsapi.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 dnsapi.dll file

The last solution is to manually download and replace dnsapi.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 dnsapi.dll file.

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

  • Windows 10: C:\Windows\System32\
  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\
  • Windows 7: C:\Windows\SysWOW64\
  • Windows 7: C:\Windows\SysWOW64\
  • Windows Vista: ---
  • Windows Vista: ---
  • Windows XP: ---

If the steps did not solve your dnsapi.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 dnsapi.dll
System Windows 10
File size 508344 bytes
Date 2017-03-18
File details
MD5 3f969d5adeab3284abd500b37d74a8f8
SHA1 ef1766198d03cc67cc9b770dd2e02adb5f6a45e2
SHA256 f46a9b2d4d1d0b8e370436264e0444169b695e09f539a607db569254f6d4b0d8
CRC32 17e30af0
Example file location C:\Windows\System32\
Filename dnsapi.dll
System Windows 8.1
File size 498688 bytes
Date 2014-11-21
File details
MD5 bd9c7a068c46053f8747cea73b5930ab
SHA1 5d254c1838c3bce841eb2027a9224526214cb765
SHA256 41530ff68c2ad89ee5ad7073eb01d82ec42a443f428e495dc21407d25fe9b6dc
CRC32 5578115e
Example file location C:\Windows\System32\
Filename dnsapi.dll
System Windows 8
File size 461312 bytes
Date 2012-07-26
File details
MD5 6356c0630362cc80e4318a672ff66804
SHA1 fa4078bdf1438e5748037478d086fd6a2f120534
SHA256 8d0693a24baa4bd418ba54ce7aa010d5c64f60f45ad9ea52e0afe4732b700773
CRC32 dab8c218
Example file location 1: C:\Windows\System32\
Filename dnsapi.dll
System Windows 7
File size 270336 bytes
Date -0001-11-30
File details
MD5 59df156711a76bcb993253ec6c9bbf41
SHA1 f47f8ff22dcebaf427051f37de9151220a12d517
SHA256 f8bca0d764cd78a6b455268b9c5ba655d8a95b3e0939cc0ab5a493610c0058b9
CRC32 a8aa2f95
Example file location C:\Windows\SysWOW64\
Filename dnsapi.dll
System Windows 7
File size 357888 bytes
Date 2010-11-21
File details
MD5 a52b6cc24063cc83c78c0e6f24deec01
SHA1 a5384efac7d1f9213aaf0423ed0b021bc986b9df
SHA256 77e0d2b2356e71f9be52fa479c9dde17c453c198bb49cd4a97f2309628d82e3b
CRC32 560c6fc1
Example file location C:\Windows\SysWOW64\
Filename dnsapi.dll
System Windows Vista
File size 221696 bytes
Date 2009-04-11
File details
MD5 1a89b7bc97a699393a6ba75715b759a6
SHA1 4aeb3c92ea3fd793fad481a13c58a742a3babec0
SHA256 b56432d2e57d8099c3f640639336d3fe09d3f65ee7a8ea8d8b491bce4b823f34
CRC32 5027b22f
Example file location ---
Filename dnsapi.dll
System Windows Vista
File size 168448 bytes
Date -0001-11-30
File details
MD5 f7683ec1225435144f28b611546ba5f2
SHA1 90eabd043c6a712dde478de5c56488896ca7fbdf
SHA256 df1f057926965db6eae362904465178056c9f100ed224fbd4a89d0746fcc98bf
CRC32 cdf14789
Example file location ---
Filename dnsapi.dll
System Windows XP
File size 147968 bytes
Date 2008-04-14
File details
MD5 0a3325d38db90792bbbe01334f273974
SHA1 35befef01efb323fdf2b529f0b630e085ccf68f8
SHA256 5dc6f6ff65460d889d8487f18ea0a2437c17072867a85e6adc70da8e0dc82acf
CRC32 78fbbd55
Example file location ---