OAM 11g: "Invalid Credentials" When Logging Into Oracle Access Manager 11g R1 Admin Console, Can Login to WebLogic Console

Error : OAM 11g: "Invalid Credentials" When Logging Into Oracle Access Manager 11g R1 Admin Console, Can Login to WebLogic Console



Issue :



The primary user identity store was changed. If the primary user identity store is changed and the user is not found, does not exist, or it is pointing to a wrong location, login will fail using the 'weblogic' user.



Solution : 



1) Stop all WLS components (AdminServer and oam_server1)



2) Make a backup copy of the existing oam-config.xml file in the <Middleware_Home>/user_projects/domains/oam_domain/config/fmwconfig directory

--- cp oam-config.xml oam-comfig.xml-OAMOIDIdStoreForOIM



3) Edit the oam-config.xml file



3) There will be two entries that have 'IsPrimary', one for the new User Identity Store that is set to true:



<Setting Name="IsPrimary" Type="xsd:boolean">true</Setting>



and one for the default 'UserIdentityStore1' that is set to false:



<Setting Name="IsPrimary" Type="xsd:boolean">false</Setting>



5) Ensure that the IsPrimary for the UserIdentityStore1 is set to 'true' and the other User Identity Store entries are set to 'false'



6) Start the AdminServer and oam_server1



Note : This was very useful information and was very helpful in resolving the issue. It was referred from Oracle Metalink.