1) Modify "tnsnames.ora" and "listener.ora" files on <dataserver>/oracle/network/admin for changing the dataserver name after the machine name renamed.
2) Execute "sqlplus" command and modify "pdm.pdm_fileserver" and "pdm.pdm_pool" for changing the fileserver name.

SQL> update pdm.pdm_pool set POOLHOST='ptc-2kserver-tw' where POOLID="1";

SQL> update pdm.pdm_fileserver set FSVHOST='ptc-2kserver-tw' where FSVID="1";

3) Modify "tnsnames.ora" on <client dir> for changing the dataserver name or run ptcsetup.bat to specify the new Dataserver machine name.

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