When running the cliCreateUserGroupsForWLS script with input user "fimadmin"  as described in the Install and Configuration guide page 36 the following  occurs:

Connected...
Creating groups...
Group [FIMAdmin] created successfully ...
Group [FIMSecurityAdmin] created successfully ...
Group [FIMFederationAdmin] created successfully ...
Group [FIMSuperAdmin] created successfully ...
User [fimadmin] already exists.
user [fimadmin] added to group [FIMSuperAdmin] successfully ...

Done.

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If the name of the administrative user you are trying to create is "fimadmin" the add will fail because the user name "is the same as an existing group "FIMAdmin". The output from the script saying it was successfully added to the chosen group is incorrect

Execute the script with a user name that is not one of the 4 FIM security admin groups or any existing weblogic group.

For example :

myfimadmin=FIMSuperAdmin,attitash,SuperAdmin for FIM

A successful execution of the script will produce an output similar to the following:

Connected...
Creating groups...
Group [FIMAdmin] created successfully ...
Group [FIMSecurityAdmin] created successfully ...
Group [FIMFederationAdmin] created successfully ...
Group [FIMSuperAdmin] created successfully ...
User [myfimadmin] created successfully ...
user [myfimadmin] added to group [FIMSuperAdmin] successfully ...

Done.