Uninstall the Work Tasks Extension and Connector for MES
- Last UpdatedJan 09, 2026
- 2 minute read
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Before you begin, make a note of the Unique Environment Name (UEN) for the MES repository connection.
The UEN is shown on the Manage Workflow Repositories page in the Work Tasks Connector Configuration utility.
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To uninstall the MES Extension:
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Open the Control Panel Programs and Features panel, select the MES Extension, and then select Add or Remove program.
The Work Tasks Extension for MES setup dialog opens.
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Select Remove.
After initiating the uninstall, the Work Tasks MES Extension Configurator appears.

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Enter the database server, database, and user credentials to access the Work Tasks Farm database.
This access is required to retrieve the folder locations at which the MES Connector DLLs were installed.
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Select Test Connection.
If the test connection is successful. Select Submit.
If the connection test fails, the Submit button will not be available. In this case, you can close the Configurator. However, you will have to manually delete the MES Connector DLLs from the following folders in the Work Tasks application folder:
\Web\ECSite\Bin
\Web\EnterpriseConsole\Bin
\Web\custom_sites\Bin
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Once the uninstall successfully completes, select Finish to exit the setup dialog.
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To uninstall the MES Connector:
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Open the Control Panel Programs and Features panel, select the MES Connector, and then select Add or Remove program.
The Work Tasks Connector for MES setup dialog opens.
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Select Remove.
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Once the uninstall successfully completes, select Finish to exit the setup dialog.
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Clean up the Work Tasks repository and MES databases after the uninstall
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In SQL Server Management Studio, run queries to check the information in the Work Tasks repository database and the MES databases. For example:
--MESDB (MES Database)
select * from MESDB.dbo.AWC_Workflowconnection
select * from MESDB.dbo.AWC_Workflowconnection_Status
--Work Tasks repository DB
select * from SkeltaDB.dbo.SKExternalConnectionDetails
select * from SkeltaDB.dbo.MESConnectionDetails
select * from SkeltaDB.dbo.SKExternalConnections
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Delete all the details pertaining to the UEN in the MES database and the Work Tasks repository database pertaining to the respective repository. For example:
--delete all the details related to the unique environment name which was configured in the Work Tasks - MES Connector
delete from MESdb.dbo.AWC_Workflowconnection_Status where UEN='MESDB_MES'
delete from SkeltaDB.dbo.SKExternalConnectionDetails where Title='MESDB_MES'