Multi-Domain OAM Sharepoint 2010 Integration "401 UNAUTHORIZED" Error (Doc ID 1951434.1)

Last updated on SEPTEMBER 21, 2016

Applies to:

Oracle Access Manager - Version 11.1.2.1.0 and later
Information in this document applies to any platform.

Symptoms

Integrated Sharepoint 2010 application with OAM 11g (11.1.2.1.0) using impersonation method. Sharepoint is running on IIS 7.
Having two domains named "oracle (DC=corp,DC=oracle,DC=com)" and "OracleDomBpo(DC=OracleDomBpo,DC=corp,DC=oracle,DC=com)". Impersonation User (named DMSImpersonate) is in Oracle domain, and also he can read user attribute from OracleDomBpo. This user is also part of Administrator group in server where sharepoint application is running.
OracleDomBpo users getting error "401 UNAUTHORIZED" however Oracle Domain users are able to access it fine.

Cause

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