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FIX: Some nTEXT, NTEXT, or IMAGE data whose size is not greater than 80 bytes cannot be replicated correctly in a transactional replication after you upgrade SQL Server 2000 to SQL Server 2008

Microsoft distributes Microsoft SQL Server 2008 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 2008 fix release.
SYMPTOMS
Consider the following scenario:
  • In Microsoft SQL Server 2000, you configure a transactional replication.
  • The replication contains an article that has an nTEXT column, a TEXT column, or an IMAGE column.
  • The size of some data in these columns is not greater than 80 bytes.
  • You upgrade SQL Server 2000 to Microsoft SQL Server 2008.
  • You modify the data.
  • You synchronize the publication.
In this scenario, the LogReader agent cannot correctly replicate the TEXT, NTEXT, or IMAGE data. This problem causes incorrect text to be stored in the distribution database.

Additionally, invalid characters are returned if you run the sp_replshowcmds stored procedure on the publisher.

For example, the sp_replshowcmds stored procedure may return the following text, which contains invalid characters:

{CALL [dbo].[sp_MSupd_dbomyTable] ('? 9 f ; ?P? T \ t_ ??6 ?
CAUSE
This problem occurs because of data corruption. Data corruption occurs when the data in the column is modified and the size of the data is not greater than 80 bytes.
RESOLUTION
The fix for this issue was first released in Cumulative Update 6 for SQL Server 2008 Service Pack 1. For more information about this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:
977443 Cumulative update package 6 for SQL Server 2008 Service Pack 1
Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
970365 The SQL Server 2008 builds that were released after SQL Server 2008 Service Pack 1 was released
Microsoft SQL Server 2008 hotfixes are created for specific SQL Server service packs. You must apply a SQL Server 2008 Service Pack 1 hotfix to an installation of SQL Server 2008 Service Pack 1. By default, any hotfix that is provided in a SQL Server service pack is included in the next SQL Server service pack.
WORKAROUND
To work around this problem, follow these steps:
  1. Export the contents of the tables in the article to temporary tables.
  2. Run the TRUNCATE TABLE statement to truncate all the rows of the tables.
  3. Import all the rows to the original tables from the temporary tables.
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
REFERENCES
For information about the Incremental Servicing Model for SQL Server, click the following article number to view the article in the Microsoft Knowledge Base:
935897 An Incremental Servicing Model is available from the SQL Server team to deliver hotfixes for reported problems


For more information about the naming schema for SQL Server updates, click the following article number to view the article in the Microsoft Knowledge Base:
822499New 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 Description of the standard terminology that is used to describe Microsoft software updates
Properties

Article ID: 978108 - Last Review: 01/18/2010 09:59:48 - Revision: 1.0

  • Microsoft SQL Server 2008 Standard
  • Microsoft SQL Server 2008 Enterprise
  • Microsoft SQL Server 2008 Developer
  • Microsoft SQL Server 2008 Workgroup
  • kbexpertiseadvanced kbsurveynew kbqfe kbfix KB978108
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