if you are DB sever is V7 and your client is V8 , to acces DB2 server , need to bind bunch packages from your client, connect as instance
go to ..\sqllib\bnd
run this scripts, save it in a file ( may be pkgv8bnd.sql)
bind db2ajgrt.bnd blocking all grant public ;
bind db2arxcs.bnd blocking all grant public ;
bind db2arxrr.bnd blocking all grant public ;
bind db2arxur.bnd blocking all grant public ;
bind db2arxrs.bnd blocking all grant public ;
bind db2arxnc.bnd blocking all grant public ;
bind db2clpcs.bnd blocking all grant public ;
bind db2clprr.bnd blocking all grant public ;
bind db2clpur.bnd blocking all grant public ;
bind db2clpnc.bnd blocking all grant public ;
bind db2uredp.bnd blocking all grant public ;
bind db2urexp.bnd blocking all grant public ;
bind db2uimpm.bnd blocking all grant public ;
bind db2uimtb.bnd blocking all grant public ;
bind db2ueiwi.bnd blocking all grant public ;
bind db2uigsi.bnd blocking all grant public ;
bind db2uiici.bnd blocking all grant public ;
bind db2uiict.bnd blocking all grant public ;
bind db2ugtpi.bnd blocking all grant public ;
bind db2pctsp.bnd blocking all grant public ;
bind db2dropv.bnd blocking all grant public ;
bind db2ucktb.bnd blocking all grant public ;
bind db2uqtpd.bnd blocking all grant public ;
bind db2uqtnm.bnd blocking all grant public ;
bind db2ulxld.bnd blocking all grant public ;
bind db2uipkg.bnd blocking all grant public ;
bind db2atld.bnd blocking all grant public ;
connect to DB as instance onwer
db2 -tvf pkgv8bnd.sql -z pkgv8bnd.log
--