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INFO: Timeout Values for Database Connections and Command Objects Used by BizTalk Server 2000


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This article was previously published under Q281167

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Summary

This article describes the methods used by BizTalk Server 2000 to determine the timeout values for database connection and command objects.

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More information

BizTalk Server 2000 uses timeout values for database connection and command objects in the following two scenarios:

When a transactional context in an orchestration schedule successfully completes.

-and-

For all other database access by XLANG, which includes dehydration, rehydration, persisting at the beginning of a transactional context, and all other persistence.
For each scenario, the connection and command timeouts are calculated as follows:

When a transactional context in an orchestration schedule successfully completes:

Transaction Timeout: Specified by the user in the BizTalk Orchestration Designer interface in the properties of the Transaction shape

Connection Timeout: Specified as a system default of 30 seconds, unless it is overridden by adding the following registry key value:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\BizTalk Server\1.0\XLANG Scheduler
Value: ADOConnectionTimeout
Command Timeout: Equals the timeout value specified by the user for the Transaction Timeout

For all other database access by XLANG:

Transaction Timeout: Uses the timeout configured in the XLANG Persistence Helper COM+ application, which is set to one hour by default

Connection Timeout: Specified as a system default of 30 seconds, unless it is overridden by adding the following registry key value:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\BizTalk Server\1.0\XLANG Scheduler
Value: ADOConnectionTimeout
Command Timeout: Specified as a system default of 300 seconds, unless overridden by adding the following registry key value:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\BizTalk Server\1.0\XLANG Scheduler
Value: ADOCommandTimeout

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Keywords: KB281167, kbinfo

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Article Info
Article ID : 281167
Revision : 3
Created on : 10/17/2003
Published on : 10/17/2003
Exists online : False
Views : 427