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BUG #: 103075 (SQLBUG_70)
Under some rare conditions, SQL Server may report the following error message in the error log when it processes a query that includes a large, long running sort operation:
2003-02-10 17:02:54.39 ods The Scheduler 2 appears to be hung. PSS 0x5F8B3110, EC 0x5F8B32C0, UMS Context 0x050D07D8
This error message may be repeated in the error log as frequently as one time per minute, while the query is running. In some cases, the error message may also be accompanied by other symptoms. For example, SQL Server might be slow to respond to other requests. After the query completes, the server will generally return to normal operation.
A sort operation that triggers this issue may occur as a result of various Transact-SQL commands including an ORDER BY clause, a MERGE JOIN operation, or the creation of an index.
A 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.
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 Customer Service and Support to obtain the hotfix.
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. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
Note The "Hotfix download available" form displays 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. The English version of this fix has the file attributes (or later) 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.