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FIX: The IRR function in Visual Basic .NET 2003 returns results that are different from the results in Excel or Visual Basic 6.0
Article ID: 830788 - View products that this article applies to.
In Microsoft Visual Basic .NET 2003, the IRR function may return a different result for some fringe cases when you compare the result to a Microsoft Excel calculated result or to a Microsoft Visual Basic 6.0 calculated result.
This problem occurs because the IRR function algorithm in Visual Studio .NET 2003 is slightly different from the Microsoft Excel algorithm and the Microsoft Visual Basic 6.0 algorithm.
Hotfix informationA supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Visual Studio .NET 2003 service pack that contains this hotfix.
To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=supportNote In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
PrerequisitesNo prerequisites are required.
Restart requirementYou do not have to restart your computer after you apply this hotfix.
Hotfix replacement informationThis hotfix does not replace any other hotfixes.
File informationThe English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
Note This hotfix has been included in the Microsoft .NET Framework 1.1 Service Pack 1.
Date Time Version Size File name -------------------------------------------------------------- 20-Oct-2003 20:30 7.10.3291.4 299,008 Microsoft.visualbasic.dll
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about the IRR function in Visual Basic .NET, visit the following MSDN Web site:
http://msdn2.microsoft.com/en-us/library/w8h9s5b4(vs.71).aspxFor additional information about the standard terminology that is used to describe Microsoft software updates, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates
Article ID: 830788 - Last Review: May 21, 2007 - Revision: 1.8