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Error: "Invalid Database Instance While Checking Authentication Mode" Occurs When Authenticating with P6 Web Services or P6 Integration API (Doc ID 1565498.1)

Last updated on MARCH 11, 2021

Applies to:

Primavera Web Services - Version 8.0 and later
Primavera P6 Enterprise Project Portfolio Management - Version 8.0 and later
Information in this document applies to any platform.


One of the following errors occur during login when using P6 Web Services or P6 Integration API: Invalid database instance while checking authentication mode

A server exception occured while trying to perform username token authentication: Invalid WEBSSO mismatch.




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