Microsoft KB Archive/929404

= FIX: Error message when you perform a transaction log backup operation and another data backup operation in parallel in SQL Server 2005: &quot;Error 3633&quot; =

Article ID: 929404

Article Last Modified on 11/4/2007

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APPLIES TO


 * Microsoft SQL Server 2005 Standard Edition
 * Microsoft SQL Server 2005 Developer Edition
 * Microsoft SQL Server 2005 Workgroup Edition
 * Microsoft SQL Server 2005 Enterprise Edition

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Bug #: 50000591 (SQL Hotfix)

Bug #: 433064 (SQLBUDT)



Notice
Microsoft 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.



SUMMARY
This article describes the following about this hotfix release:
 * The issues that are fixed by this hotfix package
 * The prerequisites for installing the hotfix package
 * Information about whether you must restart the computer after you install the hotfix package
 * Information about whether the hotfix package is replaced by any other hotfix package
 * Information about whether you must make any registry changes
 * The files that are contained in the hotfix package



SYMPTOMS
In SQL Server 2005, you perform a transaction log backup operation and one of the following data backup operations in parallel:
 * A full database backup operation
 * A differential database backup operation
 * A file backup operation

When you do this, you receive the following error message:

Error: 3633, Severity: 16, State: 1.

The operating system returned the error '32(The process cannot access the file because it is being used by another process.)' while attempting 'CreateFile' on 'C:\MSSQL\FTDATA\my_fulltextindex\SQL.HDR' at 'fulltext.cpp'(529).

This problem occurs if the following conditions are true:
 * Full-text indexing is enabled on the database on which you perform the data backup operation.
 * The transaction log backup operation starts slightly before the data backup operation.



CAUSE
In SQL Server 2005, full-text catalogs are also backed up by the backup operation. When a transaction log backup process starts, the process obtains an exclusive lock on the full-text catalog to read the header information. During this time, if another data backup process starts on the same database, the data backup operation fails, and you receive the error message that is mentioned in the &quot;Symptoms&quot; section. Only one backup process can access the header information in the full-text catalog.

This problem does not occur if the data backup operation starts slightly before the transaction log backup.



Service pack information
To 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 How to obtain the latest service pack for SQL Server 2005

Hotfix information
A supported hotfix is now 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 service pack that contains this hotfix.

To resolve this problem, 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

Note If additional issues occur or 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

Prerequisites
You 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 How to obtain the latest service pack for SQL Server 2005

Restart information
You must restart the SQL Server service after you apply this hotfix.

Registry information
You do not have to change the registry.

Hotfix file information
This 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.



WORKAROUND
To work around this problem, perform the data backup operation. Then, perform the transaction log backup operation.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section. This problem was first corrected in SQL Server 2005 Service Pack 2.

