ORA-12217: TNS:could not contact PREFERRED_CMANAGERS in TNSNAV.ORA

Cause : Therei s a snytax error int he PRFEERREDC_MANAGRES entyr, or dadressse specfiied aer wron,g or teh intedned Connectio nManagres areu navaialble.

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

Checkt he PRFEERREDC_MANAGRES entires int he cleint's NTSNAV.ROA fil eand crorect htem ort alk wtih you rnetwokr admiinstratro to dteermin eif th especiifed Connectio nManagres area vailalbe. Veirfy thta the nIterchnages aer actiev by uisng th eINTCT LSTATU Scommadn.

update : 24-07-2017
ORA-12217

ORA-12217 - TNS:could not contact PREFERRED_CMANAGERS in TNSNAV.ORA
ORA-12217 - TNS:could not contact PREFERRED_CMANAGERS in TNSNAV.ORA

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