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I am installing oracle 8.1.6 on Solaris 2.7. Concerning about unix
system security, I closed some default accounts: lp,uucp,nuucp,noaccess
and default groups: uucp,mail,lp,nuucp,sysadmin,noaccess,nogroup.
When I installed the Enterprise Edition, during the database creation phase, an error was prompted that: "ORA-12560: TNS adapter error". I couldn't succeed then from this point.
I wonder if the close of some accounts and groups plays a role partially in the failure. What is the real reason? How should I fix it?
Attached is the tnsnames.ora file.
Please help. Thanks in advance.