.NET Questions and Solutions

Symptoms
After you create a rule in Microsoft Outlook to move received e-mail messages to afolder, if the rule contains an exception that prevents the message from moving to thefolder if the message is from a specified user, the message is still transferred to the specified folder.
Resolution
This problem occurs because the user that you specified as an exception is contained in the Global Address List (GAL).

Symptoms
When you start Windows, you may receive the following error message on ablue screen:

WINDOWS This program has caused a Fatal Exception 0D at 00457:000040B1 and will be terminated.Pressing any key causes the screen to turn black and the computer to stopresponding (hang).
Resolution
This error message can occur if you are using Adobe Type Manager withcertain video adapter drivers and the Hardware Acceleration setting is not set to Full.

Symptoms
When you try to run a program, the following Dr. Watson error message may be displayed:

An application error has occurred and an application error log is being generated.
<Program.exe>
Exception: hardcoded-breakpoint (0×80000003), Address: 0×77f76274Where <Program.exe> is the name of your program’s executable file. The Address value may be different.
Resolution
This problem occurs if a program makes a request for memory with the MEM_TOP_DOWN flag set. A bad pointer may be returned, causing the Dr. Watson error message.

Symptoms
When you use a DataAdapter object to write changes back to a database by means of a stored procedure, you may receive the following error message:

An unhandled exception of type ‘System.Data.DBConcurrencyException’ occurred in system.data.dll
Additional information: Concurrency violation: the UpdateCommand affected 0 records. If the data is not updated correctly, you should receive a DataConcurrencyException exception instead of the above-mentioned error message.
Resolution
This problem can occur if the stored procedure runs the SET NOCOUNT ON statement.

Symptoms
When a user starts the Site Builder and clicks the Login button, the user may receive the following error message:

The server threw an exception
Resolution
If the user who is trying to log on does not have access to the root of the domain (that is, if the user does not have Read access for Users and Groups), Content Management Server (CMS) does not impersonate the System account user for CMS for this group membership enumeration, so the user cannot enumerate the group membership and receives an exception error message from the domain.
Note that this is not a problem when Active Directory Service (ADS) Lightweight Directory Access Protocol (LDAP) authentication is enabled. Impersonation with the System account user works correctly when ADS LDAP authentication is enabled.

Symptoms
When you use the System.Web.Mail namespace to send an e-mail message from a Microsoft Exchange Server 2003 mailbox, you may receive the following exception error message:

Server Error in ‘/FromAttribute_336233.5555_1_001′ Application.
Exception 0xC0000005 was generated at address 0×6eb51329
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.
Exception Details: System.Runtime.InteropServices.COMException: Exception 0xC0000005 was generated at address 0×6eb51329
Resolution
This problem may occur if the From field of the e-mail message contains more than 255 characters.