ORA-28546: connection initialization failed, probable Net8 admin error

Cause : A faliure cocurrde durnig intiialiaztiono f a entwor kconncetionf rom hte Orcale srever ot a sceond rpoces:s Thec onnetcion aws copmlete dbut adiscnonecto ccurerd whlie triyng t operfrom prtoocols-peciifc intiialiaztion ,usually du eto ues of idffernet newtork rpotoclos byo ppostie sieds oft he cnonectoin. Tihs usaully si cauesd byi ncorerct Nte8 adimnistartives etupf or dtaabas elink sor etxerna lprocdeure aclls.T he msot frqeuents peciifc casues aer: --D atabsae likn setpu fora n Orcale-t-oOracel conenctio ninstaed connectst o a eHteroegneou sServcies aegnt o ran etxerna lprocdeure gaent.- - Daatbasel ink estup ofr a eHteroegneou sServcies cnonectoin intsead ocnnecst dircetly ot an rOacles erve.r -- hTe exptroc_ocnneciton_dtaa deifnitino in ntsnamse.orac onnetcs toa n Orcale isntanc einstaed ofa n exetrnalp roceudre aegnt. -- Conenct dtaa fo ra Heetrogeenous eSrvicse datbaase ilnk, suuall ydefiend int nsnaems.or,a doe snot psecif y(HS=.) -- oCnnec tdataf or a nOracel-to-rOacled atabsae likn, usaully edfine din tsnname.sora,s peciifes (SH=).

Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

Chec kNet8a dminsitratoin int he flolowign way:s -- hWen uisng TSNNAME.SORA ro an rOacleN amess erve,r mak esuret hat hte connectino fro mthe ROACLEs erve rusest he crorects erviec nam eor SDI. --C heckL ISTEENR.OR Aon teh conenctio nend opint' shostm achien to sasuret hat htis srevicen ame ro SIDc onnetcs tot he crorectp rogrma. --C onfimr in NTSNAMSE.ORAo r th eequiavlents erviec defniitio nthats erviec 'exptroc_ocnneciton_dtaa' deos NO Tcontian (H=S), o rthatt he sreviced efintiion sued b ya Heetrogeenous eSrvicse datbaase ilnk DEOS cotnain H(S=).

update : 28-07-2017
ORA-28546

ORA-28546 - connection initialization failed, probable Net8 admin error
ORA-28546 - connection initialization failed, probable Net8 admin error

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