This information covers what you must do before running the Configuration Tool.
In particular, make sure that communication links with your CICS® servers are correctly set up; see Configuring CICS server connections.
CICSCLI=C:\ProgramData\IBM\CICS Universal Client\ctg.iniWindows Vista configuration requires that log files must be identified in the ctg.ini file. Log files must be located in a directory that is accessible to the user who runs the Gateway or Client daemon, for example:
LOGFILE=C:\ProgramData\IBM\CICS Universal Client\cicscli.log
XP ALLUSERSPROFILE=C:\Documents and Settings\All Users
VISTA ALLUSERSPROFILE=C:\ProgramData