If OpenSSO is configured with an Access Manager 7.1 Directory Server schema (DIT) in coexistence mode, an attempt to log in as amadmin to the Console using LDAP authentication fails.
Workaround. To log in as amadmin to the OpenSSO Console in coexistence mode, add the module=DataStore query parameter. For example:
protocol://host.domain:port/deploy_uri/UI/Login/?module=DataStore
For example:
http://ssohost.example.com:8080/amserver/UI/Login/?module=DataStore