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Error: Code 2646 - Microsoft Office Access can't create this relationship and enforce referential integrity.@Data in the table '|' violates referential integrity rules.For example, there may be records relating to an employee in the related table, but no record for the empl


How to fix the Runtime Code 2646 Microsoft Office Access can't create this relationship and enforce referential integrity

This article features error number Code 2646, commonly known as Microsoft Office Access can't create this relationship and enforce referential integrity described as Microsoft Office Access can't create this relationship and enforce referential integrity.@Data in the table '|' violates referential integrity rules.For example, there may be records relating to an employee in the related table, but no record for the empl


About Runtime Code 2646

Runtime Code 2646 happens when Microsoft Access fails or crashes whilst it's running, hence its name. It doesn't necessarily mean that the code was corrupt in some way, but just that it did not work during its run-time. This kind of error will appear as an annoying notification on your screen unless handled and corrected. Here are symptoms, causes and ways to troubleshoot the problem.


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!

  • Access - DO NOT USE this tag for Microsoft Access, use [ms-access] instead
  • Integrity - The aspect of an object which describes it as unaltered since a reference time at which a description of its state was recorded, or a description of the continued functioning of a property of the object
  • Record - A record in programming is a data type with labels to access fields of the record.
  • Records - A record is a value that contains other values, typically in fixed number and sequence and typically indexed by names.
  • Referential - referential is referring to the referential integrity concept of relationel databases.
  • Referential integrity - Referential integrity is a property of data which requires the value of an attributecolumn of a relation table to exist as a value of another attributecolumn in another relation table
  • Relationship - Questions in this tag typically involve the association that a set of data has with other sets of data.
  • Rules - This tag is very broad, try being more specific by using tags relevant to your problem
  • Table - DO NOT USE THIS TAG; it is ambiguous
  • Access - Microsoft Access, also known as Microsoft Office Access, is a database management system from Microsoft that commonly combines the relational Microsoft JetACE Database Engine with a graphical user interface and software-development tools
  • Microsoft office - Microsoft Office is a proprietary collection of desktop applications intended to be used by knowledge workers for Windows and Macintosh computers

Symptoms of Code 2646 - Microsoft Office Access can't create this relationship and enforce referential integrity

Runtime errors happen without warning. The error message can come up the screen anytime Microsoft Access is run. In fact, the error message or some other dialogue box can come up again and again if not addressed early on.

There may be instances of files deletion or new files appearing. Though this symptom is largely due to virus infection, it can be attributed as a symptom for runtime error, as virus infection is one of the causes for runtime error. User may also experience a sudden drop in internet connection speed, yet again, this is not always the case.


Fix Microsoft Office Access can't create this relationship and enforce referential integrity (Error Code 2646)
(For illustrative purposes only)



Causes of Microsoft Office Access can't create this relationship and enforce referential integrity - Code 2646

During software design, programmers code anticipating the occurrence of errors. However, there are no perfect designs, as errors can be expected even with the best program design. Glitches can happen during runtime if a certain error is not experienced and addressed during design and testing.

Runtime errors are generally caused by incompatible programs running at the same time. It may also occur because of memory problem, a bad graphics driver or virus infection. Whatever the case may be, the problem must be resolved immediately to avoid further problems. Here are ways to remedy the error.


Repair Methods

Runtime errors may be annoying and persistent, but it is not totally hopeless, repairs are available. Here are ways to do it.

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 ErrorVault.com 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.

When you get a runtime error, keep in mind that it is happening due to programs that are conflicting with each other. The first thing you can do to resolve the problem is to stop these conflicting programs.
  • Open Task Manager by clicking Ctrl-Alt-Del at the same time. This will let you see the list of programs currently running.
  • Go to the Processes tab and stop the programs one by one by highlighting each program and clicking the End Process buttom.
  • You will need to observe if the error message will reoccur each time you stop a process.
  • Once you get to identify which program is causing the error, you may go ahead with the next troubleshooting step, reinstalling the application.
Using Control Panel
  • For Windows 7, click the Start Button, then click Control panel, then Uninstall a program
  • For Windows 8, click the Start Button, then scroll down and click More Settings, then click Control panel > Uninstall a program.
  • For Windows 10, just type Control Panel on the search box and click the result, then click Uninstall a program
  • Once inside Programs and Features, click the problem program and click Update or Uninstall.
  • If you chose to update, then you will just need to follow the prompt to complete the process, however if you chose to Uninstall, you will follow the prompt to uninstall and then re-download or use the application's installation disk to reinstall the program.
Using Other Methods
  • For Windows 7, you may find the list of all installed programs when you click Start and scroll your mouse over the list that appear on the tab. You may see on that list utility for uninstalling the program. You may go ahead and uninstall using utilities available in this tab.
  • For Windows 10, you may click Start, then Settings, then choose Apps.
  • Scroll down to see the list of Apps and features installed in your computer.
  • Click the Program which is causing the runtime error, then you may choose to uninstall or click Advanced options to reset the application.
Virus infection causing runtime error on your computer must immediately be prevented, quarantined or deleted. Make sure you update your virus program and run a thorough scan of the computer or, run Windows update so you can get the latest virus definition and fix.
You might be getting the error because of an update, like the MS Visual C++ package which might not be installed properly or completely. What you can do then is to uninstall the current package and install a fresh copy.
  • Uninstall the package by going to Programs and Features, find and highlight the Microsoft Visual C++ Redistributable Package.
  • Click Uninstall on top of the list, and when it is done, reboot your computer.
  • Download the latest redistributable package from Microsoft then install it.
You might also be experiencing runtime error because of a very low free space on your computer.
  • You should consider backing up your files and freeing up space on your hard drive
  • You can also clear your cache and reboot your computer
  • You can also run Disk Cleanup, open your explorer window and right click your main directory (this is usually C: )
  • Click Properties and then click Disk Cleanup
If the error is related to a bad graphics driver, then you may do the following:
  • Open your Device Manager, locate the graphics driver
  • Right click the video card driver then click uninstall, then restart your computer
If the error you are getting is related to the Internet Explorer, you may do the following:
  1. Reset your browser.
    • For Windows 7, you may click Start, go to Control Panel, then click Internet Options on the left side. Then you can click Advanced tab then click the Reset button.
    • For Windows 8 and 10, you may click search and type Internet Options, then go to Advanced tab and click Reset.
  2. Disable script debugging and error notifications.
    • On the same Internet Options window, you may go to Advanced tab and look for Disable script debugging
    • Put a check mark on the radio button
    • At the same time, uncheck the "Display a Notification about every Script Error" item and then click Apply and OK, then reboot your computer.
If these quick fixes do not work, you can always backup files and run repair reinstall on your computer. However, you can do that later when the solutions listed here did not do the job.
Other languages:

Wie beheben Fehler 2646 (Microsoft Office Access kann diese Beziehung nicht erstellen und die referenzielle Integrität erzwingen) - Microsoft Office Access kann diese Beziehung nicht erstellen und die referenzielle Integrität erzwingen.@Daten in der Tabelle '|' verstößt gegen referenzielle Integritätsregeln. Beispielsweise können in der verknüpften Tabelle Datensätze zu einem Mitarbeiter vorhanden sein, aber kein Datensatz für den Mitarbeiter
Come fissare Errore 2646 (Microsoft Office Access non può creare questa relazione e imporre l'integrità referenziale) - Microsoft Office Access non può creare questa relazione e applicare l'integrità referenziale.@Dati nella tabella '|' viola le regole di integrità referenziale. Ad esempio, potrebbero esserci record relativi a un dipendente nella tabella correlata, ma nessun record per l'emp
Hoe maak je Fout 2646 (Microsoft Office Access kan deze relatie niet maken en referentiële integriteit niet afdwingen) - Microsoft Office Access kan deze relatie niet maken en referentiële integriteit niet afdwingen.@Data in de tabel '|' schendt referentiële integriteitsregels. Er kunnen bijvoorbeeld records zijn met betrekking tot een werknemer in de gerelateerde tabel, maar geen record voor de werknemer
Comment réparer Erreur 2646 (Microsoft Office Access ne peut pas créer cette relation et appliquer l'intégrité référentielle) - Microsoft Office Access ne peut pas créer cette relation et appliquer l'intégrité référentielle.@Données dans la table '|' viole les règles d'intégrité référentielle. Par exemple, il peut y avoir des enregistrements relatifs à un employé dans la table associée, mais aucun enregistrement pour l'empl
어떻게 고치는 지 오류 2646 (Microsoft Office Access에서 이 관계를 만들고 참조 무결성을 적용할 수 없습니다.) - Microsoft Office Access에서 이 관계를 만들고 참조 무결성을 적용할 수 없습니다. '|' 테이블의 @Data 참조 무결성 규칙을 위반합니다. 예를 들어 관련 테이블에는 직원과 관련된 레코드가 있지만 empl에 대한 레코드는 없을 수 있습니다.
Como corrigir o Erro 2646 (O Microsoft Office Access não pode criar esta relação e impor integridade referencial) - O Microsoft Office Access não pode criar esta relação e impor integridade referencial. @ Dados na tabela '|' viola as regras de integridade referencial. Por exemplo, pode haver registros relacionados a um funcionário na tabela relacionada, mas nenhum registro para o funcionário
Hur man åtgärdar Fel 2646 (Microsoft Office Access kan inte skapa denna relation och upprätthålla referensintegritet) - Microsoft Office Access kan inte skapa denna relation och genomdriva referensintegritet.@Data i tabellen '|' bryter mot referensregler. Till exempel kan det finnas poster som rör en anställd i den relaterade tabellen, men ingen post för emplet
Как исправить Ошибка 2646 (Microsoft Office Access не может создать эту связь и обеспечить целостность данных) - Microsoft Office Access не может создать эту связь и обеспечить ссылочную целостность. @ Данные в таблице '|' нарушает правила ссылочной целостности. Например, в связанной таблице могут быть записи, относящиеся к сотруднику, но нет записи для empl
Jak naprawić Błąd 2646 (Microsoft Office Access nie może utworzyć tej relacji i wymusić integralności referencyjnej) - Microsoft Office Access nie może utworzyć tej relacji i wymusić integralności referencyjnej.@Dane w tabeli „|” narusza zasady integralności referencyjnej. Na przykład w powiązanej tabeli mogą znajdować się rekordy dotyczące pracownika, ale brak rekordu dla pracownika
Cómo arreglar Error 2646 (Microsoft Office Access no puede crear esta relación y hacer cumplir la integridad referencial) - Microsoft Office Access no puede crear esta relación y aplicar la integridad referencial. @ Datos en la tabla '|' viola las reglas de integridad referencial. Por ejemplo, puede haber registros relacionados con un empleado en la tabla relacionada, pero ningún registro del empl




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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