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Old October 23rd, 2008, 04:27 PM
melania melania is offline
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Default chapter 15 -create user account

Hi,

I am following tutorial on Imar's book, everything was great until chapter 15. When I tried to create the login+create user account, it failed to create the instant of SQL DB under the App_Data folder. I follow the sugestion on the error page(show below):

Failed to generate a user instance of SQL Server due to a failure in starting the process for the user instance. The connection will be closed.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

SQLExpress database file auto-creation error:


The connection string specifies a local Sql Server Express instance using a database location within the applications App_Data directory. The provider attempted to automatically create the application services database because the provider determined that the database does not exist. The following configuration requirements are necessary to successfully check for existence of the application services database and automatically create the application services database:

1. If the applications App_Data directory does not already exist, the web server account must have read and write access to the applications directory. This is necessary because the web server account will automatically create the App_Data directory if it does not already exist.

2. If the applications App_Data directory already exists, the web server account only requires read and write access to the applications App_Data directory. This is necessary because the web server account will attempt to verify that the Sql Server Express database already exists within the applications App_Data directory. Revoking read access on the App_Data directory from the web server account will prevent the provider from correctly determining if the Sql Server Express database already exists. This will cause an error when the provider attempts to create a duplicate of an already existing database. Write access is required because the web server accounts credentials are used when creating the new database.

3. Sql Server Express must be installed on the machine.
4. The process identity for the web server account must have a local user profile. See the readme document for details on how to create a local user profile for both machine and domain accounts.



FYI: The App_Data folder properties show "Read ONLY" (my os XP Professional service pack 2, I installed SQL 2005 + Management studio after I installed VWD 2008 express), I can't see the "Security" tab.
Then my administrator set the whole folder (root folder) that I write into it, but the weird thing is the property still show "Read Only" and I still got the same error.

Any idea what might wrong?

Thanks you for your help


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