The SSMA (SQL Server Migration Assistant) extension pack includes functionalities to emulate Oracle features that are not natively supported in SQL Server and is a required component of an ebs installation.
- 4.46 and earlier should use the latest version in the 9.x series. 
- 4.47 and later should use the latest version in the 10.x series. 
For more information, go to Microsoft SQL Server Migration Assistant for Oracle.
To upgrade the SSMA extension pack:
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                                                        Download the latest SQL Server Migration Assistant for Oracle Extension Pack from Microsoft. 
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                                                        Run the SSMAforOracleExtensionPack_9.x.0.msi installer on the Database Server. The installer requires elevated privileges in order to run. The SSMA for Oracle Extension Pack Setup wizard is displayed.   
- Click Next.
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                                                        Read the end-user license agreement, select the I accept the agreement radio button, and then click Next.   
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                                                        Select the Typical setup type.   
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                                                        Click the Install button.   
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                                                        On completion, click Next.   
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                                                        Select the Local instance (Windows) radio button, and then click Next.   
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                                                        Select the database instance from the drop-down list, and then click Next.   
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                                                        Enter the relevant connection details, and then click Next.   If version 5.2 has not been uninstalled, you may be prompted to uninstall this version before proceeding with the upgrade. Following a successful uninstall, you will need to repeat the previous steps to identify the database instance to upgrade.   
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                                                        Enter a suitable password, and then click Next.   
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                                                        Deselect the Install Tester Database check box, and then click Next to continue with the installation on the specified database instance.   A confirmation message is displayed.   
- Click No if this is the last database instance to be upgraded.
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                                                        Click the Exit button to finish the installation. 