Error: Code 52 - You were not connected because a duplicate name exists on the network. If joining a domain, go to System in Control Panel to change the computer name and try again. If joining a workgroup, choose another workgroup name.

How to fix the Windows System Error 52 ERROR_DUP_NAME

This article features error number Code 52, commonly known as ERROR_DUP_NAME and it is described as You were not connected because a duplicate name exists on the network. If joining a domain, go to System in Control Panel to change the computer name and try again. If joining a workgroup, choose another workgroup name.

About Windows System Error

Windows system errors occur at various times during normal use of the operating system. Users should receive an error code that they can use to analyze and investigate what happened to the computer. However, these codes will not necessarily provide detailed information. And since non-system software can also return these codes, the user will need to have an understanding of the program and runtime context when analyzing errors. Here are some ways to understand symptoms, causes and general solutions.

Definitions (Beta)

Here we list some definitions for the words contained in your error, in an attempt to help you understand your problem. This is a work in progress, so sometimes we might define the word incorrectly, so feel free to skip this section!

  • Exists - Exists is a keyword or function in many languages, especially in SQL.
  • Panel - A panel is a simple container that allows other elements to be placed into it, especially visual user interface elements.
  • System - System may refer to a set of interdependent components; Low level infrastructure like the operating system from a high language point of view or an object or function for accessing the previous
  • Control - Use this tag for programming scenarios related to controls interactive elements of the user interface.
  • Domain - Use this tag for programming questions related to writing code that interacts with the Domain Name System DNS; for example, writing code that uses gethostbyname
  • Network - For most programming questions use [network-programming] tag
  • Duplicate - The "duplicates" tag concerns detecting andor dealing with multiple instances of items in collections.

Symptoms of Code 52 - ERROR_DUP_NAME

When processing, Windows send System Error codes to tell the user the kind of problem happening to the computer. They appear at unexpected instances so it is difficult to detect unless one analyzes the error message that comes with it. Windows System Error codes are symptoms to other problems happening to the computer, and since they are, users need to consider the error message, the time and the processes running while it occurred.

Fix ERROR_DUP_NAME (Error Error 52)
(For illustrative purposes only)

Causes of ERROR_DUP_NAME - Error 52

Windows system errors can be caused by software or hardware breakdown. Sometimes, your software is not working in consistency with the hardware because of changes or general hardware failures. At some instances, users might have installed conflicting drivers or the OS got corrupted. Perhaps a component had some abnormal power surge which can damage parts and affect its operation. Different kinds of factors may have happened which caused the system to display a System error at certain periods of computer usage. Problems with software and hardware, of course, easily resolved if user can easily pinpoint the portion that are causing the failure. To address problems with these kinds of error, try the following repair methods.

Repair Methods

If a repair method works for you, please click the upvote button to the left of the answer, this will let other users know which repair method is currently working the best.

Please note: Neither nor it's writers claim responsibility for the results of the actions taken from employing any of the repair methods listed on this page - you complete these steps at your own risk.

System File Checker - this tool works pretty much like a registry checker but this helps you find and repair corrupted or missing system files so it takes a bit longer to run
  • To run the command, open elevated Command prompt by typing it on the search window, then right clicking Command Prompt and choosing run as administrator
  • Type sfc /scannow on the prompt and wait until verification process is successfully completed
Run Checkdisk - Chkdsk repairs many inconsistencies with the OS. System errors may also be repaired using this utility. To run it,
  • Open Command Prompt by typing it on the search box, then when you see the result on the list overhead, right click on it and choose, Run as Administrator
  • Your system might say you cannot run it at the moment because you are still processing data, and will ask you if you want to run it before the next startup, just click y for yes and then exit the screen and reboot the computer
  • Once the computer reboots, you will see checkdisk running outside of Windows, just let it finish till it gives you a report of what was found, fixed or marked
  • Exit the window and the let your computer reboot normally.
Changes done to your computer can mess up your driver. If that happens, you can either reinstall your driver or update it. To do that, you can do the following.
  • If you received a Device Manager error code, take note of the description so you can pinpoint the driver or the component that is causing the error
  • Launch device manager by either searching for Device Manager or running "devmgmt.msc"
  • Find the driver on the list and right click on it
  • Click Uninstall in case you want to reinstall the driver, or Update Driver Software if you are trying to update it.
  • You will see a confirmation window, make sure the Delete driver software item is unchecked.
  • Click ok then reboot your computer.
You may alternately do this:
  • You may manually download the driver from the manufacturer.
  • Run it to replace the current driver you are using.
  • Once done, let your computer reboot.
You may also go back to the original driver your computer came with. To do that:
  • On Device Manager, find the problematic driver.
  • Right click the device and click Properties.
  • When you see the Properties window, click the Driver tab.
  • You will see the Roll Back Driver button, click that.
  • Confirm the rollback by clicking Yes when you see a question that says "Are you sure you would like to roll back to the previously installed driver software?"
  • Restart your computer after this.
For Window 7
  • Click Start > All Programs > Accessories > System Tools
  • Click System Restore and then click Next.
  • Choose your restore point when you know your computer is doing fine
  • Keep clicking Next and the click Finish
  • It will take time so be patient, wait for the operation to completely stop
For Windows 8, 8.1 or 10
  • Right-click the Start button, then click System.
  • Once in System window, click System and Security.
  • Tap System and on the left side, click System protection.
  • Click System Restore, follow the instruction to select your restore point and then click Next until you see the Finish button.
  • Wait for the restore process to finish.
    • The best way to repair your system software is still reinstalling it. Repair reinstall process helps you keep your files as you repair the operating system. Though, you need to make sure you back up your file if you indeed need to clean reinstall your computer. You will need to insert your installation media and restart your computer.
    • Access your BIOS, the process differs from one computer model to another, it may be F1, F2, or Del button.
    • Once there, go to boot section, set boot to the installation disk and save settings.
    • For earlier version of Windows, you may need to tap your keyboard while you wait for the computer to access the installation disk.
    • Choose the repair utility first instead of clean installing the OS. This may save you a lot of hassles. However, if the issue continues after rebooting your computer, then just back up files and do the clean reinstall.
Other languages:

Wie beheben Fehler 52 (ERROR_DUP_NAME) - Sie wurden nicht verbunden, weil im Netzwerk ein doppelter Name vorhanden ist. Wenn Sie einer Domäne beitreten, wechseln Sie in der Systemsteuerung zu System, um den Computernamen zu ändern, und versuchen Sie es erneut. Wenn Sie einer Arbeitsgruppe beitreten, wählen Sie einen anderen Arbeitsgruppennamen.
Come fissare Errore 52 (ERROR_DUP_NAME) - Non eri connesso perché esiste un nome duplicato sulla rete. Se ti unisci a un dominio, vai su Sistema nel Pannello di controllo per cambiare il nome del computer e riprova. Se ti unisci a un gruppo di lavoro, scegli un altro nome del gruppo di lavoro.
Hoe maak je Fout 52 (ERROR_DUP_NAME) - U was niet verbonden omdat er een dubbele naam op het netwerk bestaat. Als u lid wordt van een domein, gaat u naar Systeem in het Configuratiescherm om de computernaam te wijzigen en probeert u het opnieuw. Als u lid wordt van een werkgroep, kiest u een andere werkgroepnaam.
Comment réparer Erreur 52 (ERROR_DUP_NAME) - Vous n'étiez pas connecté car un nom en double existe sur le réseau. Si vous rejoignez un domaine, accédez à Système dans le Panneau de configuration pour modifier le nom de l'ordinateur et réessayez. Si vous rejoignez un groupe de travail, choisissez un autre nom de groupe de travail.
어떻게 고치는 지 오류 52 (ERROR_DUP_NAME) - 네트워크에 중복된 이름이 있기 때문에 연결되지 않았습니다. 도메인에 가입하는 경우 제어판의 시스템으로 이동하여 컴퓨터 이름을 변경하고 다시 시도하십시오. 작업 그룹에 참여하는 경우 다른 작업 그룹 이름을 선택합니다.
Como corrigir o Erro 52 (ERROR_DUP_NAME) - Você não foi conectado porque existe um nome duplicado na rede. Se ingressar em um domínio, vá para Sistema no Painel de Controle para alterar o nome do computador e tente novamente. Se ingressar em um grupo de trabalho, escolha outro nome de grupo de trabalho.
Hur man åtgärdar Fel 52 (ERROR_DUP_NAME) - Du var inte ansluten eftersom det finns ett duplikatnamn i nätverket. Om du går med i en domän, gå till System på kontrollpanelen för att ändra datorns namn och försök igen. Om du går med i en arbetsgrupp väljer du ett annat arbetsgruppsnamn.
Как исправить Ошибка 52 (ERROR_DUP_NAME) - Вы не были подключены, потому что в сети существует повторяющееся имя. Если вы присоединяетесь к домену, перейдите в раздел «Система» на панели управления, чтобы изменить имя компьютера и повторите попытку. Если вы присоединяетесь к рабочей группе, выберите другое имя рабочей группы.
Jak naprawić Błąd 52 (BŁĄD_DUP_NAME) - Nie nawiązano połączenia, ponieważ w sieci istnieje zduplikowana nazwa. Jeśli dołączasz do domeny, przejdź do Systemu w Panelu sterowania, aby zmienić nazwę komputera i spróbuj ponownie. Jeśli dołączasz do grupy roboczej, wybierz inną nazwę grupy roboczej.
Cómo arreglar Error 52 (ERROR_DUP_NAME) - No estaba conectado porque existe un nombre duplicado en la red. Si se une a un dominio, vaya a Sistema en el Panel de control para cambiar el nombre de la computadora y vuelva a intentarlo. Si se une a un grupo de trabajo, elija otro nombre de grupo de trabajo.

The Author About The Author: Phil Hart has been a Microsoft Community Contributor since 2010. With a current point score over 100,000, they've contributed more than 3000 answers in the Microsoft Support forums and have created almost 200 new help articles in the Technet Wiki.

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Article ID: ACX013914EN

Applies To: Windows 10, Windows 8.1, Windows 7, Windows Vista, Windows XP, Windows 2000

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