Our VB.Net Application is not worked in LAN

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Respected Sir/Madam

Our VB.Net Application is not worked in LAN. we use msaccess in Back end. please help us. Error when we Run it. Error as follows.

Application attempted to perform an operation not allowed by security policy. To grant this application the required permission, contact youre system administrator or use the microsoft .NET framework configuration tool.
   if you click continue, the application will ignore this error and attempt to continue. if you click quite, the application will close immediately.
   Request for the permission of type.
   System.Data.OleDb.OleDbPermission, System data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 failed.

PLEASE SOLVED ABOVE ERROR .

Thanking You.
Regards

Posted 12-Jan-12 21:26pm

patilchandu84

Updated 12-Jan-12 22:18pm

Mehdi Gholam

v2

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OriginalGriff · Answer 1 · 2012-01-12T21:34:00

Solution 1

We can't.

It's a permissions problem, and it sounds like you are trying to use a single Access database file directly from a number of machines on the network. You need to look at your network configuration, and ensure that all the PC's have full read/write permissions to access the folder containing the database file.

Posted 12-Jan-12 21:34pm

OriginalGriff

Comments

Sergey Alexandrovich Kryukov 13-Jan-12 4:44am

Correct, a 5.
--SA

Sergey Alexandrovich Kryukov 13-Jan-12 4:53am

But I think the root of the problem is using Access on a network. I explained it in my answer, please see.
--SA

Jaganathan Bantheswaran · Answer 2 · 2012-01-12T21:54:00

Solution 2

Hi,

Have you enabled the network access permission to the access file. Please check it.

Posted 12-Jan-12 21:54pm

Jaganathan Bantheswaran

Sergey Alexandrovich Kryukov · Answer 3 · 2012-01-12T22:52:00

This is a bad idea to use MS Access as a back end in network configuration in general. It does not use client-server technology and the database access is based on file access. This is a file server-based database. Why torturing yourself?

There are decent data bases, client–server relational database management systems (http://en.wikipedia.org/wiki/Client%E2%80%93server[^], http://en.wikipedia.org/wiki/Relational_database_management_system[^]), many are Open Source.

Choose what you really need: http://en.wikipedia.org/wiki/Comparison_of_database_tools[^].

—SA

Dave Kreskowiak · Answer 4 · 2012-01-19T04:57:00

Solution 4

This tells me you're trying yo run your .EXE from a shared location (not installed on each machine.)

DO NOT DO THAT! Because of Code Access Security, you run into all kinds of permission problems that you are not prepared to undertstand.

Posted 19-Jan-12 4:57am

Dave Kreskowiak