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TN Hist101 Setting up a dependency on SQL Server for the Historian.

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Overview

 

Sometimes the Wonderware Historian configuration service may start up before Microsoft SQL Server is ready. This will cause the Historian to be non-functional. This article describes setting up a dependency on SQL Server in order to prevent the Historian configuration service from starting to soon.

Steps

 

1) Launch the Windows Registry Editor by going to Start \ Run  and entering regedit

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2) Navigate to HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services and find InSQLConfiguration

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3) Double click the DependOnService entry and enter MSSQLServer and click OK to close the edit window

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4) Confirm the dependency by going to Start \ Run and entering services.msc

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5) Find the Wonderware Historian Configuration Server and right click it and go to properties

6) Click the dependencies tab and confirm SQL Server is in the list

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On the next reboot, the Historian Configuration Service should not try to start until SQL Server is started.