That you are logged on as the cluster administrator.
For example, the default cluster administrator for Linux and Windows hosts is egoadmin.
If you cannot be egoadmin, you must set CLUSTERADMIN as a valid OS account.
That you created the installation directory and copied the EGO installation package into this directory.
That the required connection ports are not in use. You must use the same ports as the hosts in your cluster.
The default base connection port is 7869. Symphony uses four consecutive ports from this base port (7869-7872)