FIX: Error message when you execute a user-defined function in SQL Server 2005: "Invalid length parameter passed to the SUBSTRING function" or "A transport-level error has occurred when receiving results from the server"
Bug #: 1209 (SQL Hotfix) Bug #: 443526 (SQLBUDT) NoticeMicrosoft distributes Microsoft SQL Server 2005 fixes as one downloadable file. Because the fixes are cumulative, each new release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2005 fix release.On This PageThis article describes the following about this hotfix release:
SYMPTOMSWhen you execute a user-defined function in SQL Server 2005, you receive an error message. This problem occurs if you run the following statement before you execute the user-defined function: You receive a different error message, depending on the version of SQL Server 2005 that you have installed. If you use SQL Server 2005 Service Pack 1 (SP1), you may also experience other problems.The original release version of SQL Server 2005When you execute the user-defined function in the original version of SQL Server 2005, you receive the following error message.Msg 536, Level 16, State 5, Line 4 Invalid length parameter passed to the SUBSTRING function. SQL Server 2005 SP1When you execute the user-defined function in SQL Server 2005 SP1, you experience the following problems:
RESOLUTIONService pack informationTo resolve this problem, obtain the latest service pack for SQL Server 2005. For more information, click the following article number to view the article in the Microsoft Knowledge Base:913089 (http://support.microsoft.com/kb/913089/) How to obtain the latest service pack for SQL Server 2005
Hotfix informationA supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site: http://go.microsoft.com/?linkid=6294451 (http://go.microsoft.com/?linkid=6294451) Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site: http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support) Note The "Hotfix download available" section and the online request forms display the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.PrerequisitesYou must have SQL Server 2005 Service Pack 1 (SP1) installed to apply this hotfix.For more information about how to obtain SQL Server 2005 Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base: 913089 (http://support.microsoft.com/kb/913089/)
How to obtain the latest service pack for SQL Server 2005
Restart informationYou have to restart the SQL Server service after you apply this hotfix.Registry informationYou do not have to change the registry.Hotfix file informationThis hotfix contains only those files that are required to correct the issues that this article lists. This hotfix may not contain of all the files that you must have to fully update a product to the latest build.The 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 item in Control Panel.
WORKAROUNDTo work around this problem, change the SET FMTONLY setting to OFF before you execute the user-defined function. STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in SQL Server 2005 Service Pack 2. MORE INFORMATION
For more information about the naming schema for Microsoft SQL Server updates, click the following article number to view the article in the Microsoft Knowledge Base:
822499 (http://support.microsoft.com/kb/822499/)
New naming schema for Microsoft SQL Server software update packages
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 (http://support.microsoft.com/kb/824684/)
Description of the standard terminology that is used to describe Microsoft software updates
Stack dump informationYou receive the following stack dump information in SQL Server 2005 SP1:APPLIES TO
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