After importing the authentication_providers.xml to IAM, I am able to successfully test the connection, the authentication and group settings.
However when trying to load the LDAP Groups under Groups to Role Mapping tab, it doesn't show anything and the browser stops responding.
When the synchronization was done for the first time the correct LDAP group filter was not in place and IAM was trying to load a large number of groups that was available in the IAM database.
This process was taking too much time and the browser stopped responding.
A new schema was created in the database configured with IAM.
Used the $DEVTEST_HOME/IdentityAccessManager/bin/DataSourceUpdater.exe to configure IAM with the new schema.
When IAM was started for the first time all the tables were created.
Load IAM in a browser, create a new federation and import the authentication_providers.xml file.
Make sure the correct LDAP group filter is set.
When synchronizing, only the correct groups will be added and the browser should not stop responding when lading the LDAP Groups under Groups to Role Mapping tab.