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Fatal NI connect error 12560, connecting to:
 (DESCRIPTION=(ADDRESS=(PROTOCOL=BEQ)(PROGRAM=oracle)(ARGV0=oracleORCL)(ARGS='(DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq)))'))(CONNECT_DATA=(SID=ORCL)(CID=(PROGRAM=Y:\ORACLEDS10GR2\bin\sqlplus.exe)(HOST=10-7723)(USER=proldan))))

  VERSION INFORMATION:
	TNS for 32-bit Windows: Version 10.1.0.5.0 - Production
	Oracle Bequeath NT Protocol Adapter for 32-bit Windows: Version 10.1.0.5.0 - Production
	Windows NT TCP/IP NT Protocol Adapter for 32-bit Windows: Version 10.1.0.5.0 - Production
  Time: 09-DEC-2016 12:19:21
  Tracing not turned on.
  Tns error struct:
    ns main err code: 12560
    TNS-12560: TNS:protocol adapter error
    ns secondary err code: 0
    nt main err code: 530
    TNS-00530: Protocol adapter error
    nt secondary err code: 126
    nt OS err code: 0