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Error 'Unable to connect to database' When Attempting to Login to P6 Professional after the Database Has Been Migrated from a SQL Server to an Oracle Database Platform (Doc ID 2686909.1)

Last updated on MARCH 22, 2022

Applies to:

Primavera P6 Enterprise Project Portfolio Management - Version 19.12 to [Release 19.12]
Information in this document applies to any platform.


After migrating a P6 database from a SQL Server to an Oracle Database platform, logging in to P6 Professional fails with the following error (users are still able to login to P6 Web):

Unable to connect to the database. Please run the Database Configuration tool or contact your administrator.




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