Workaround for NI cryptographic checksum mismatch error: 12599 (TNS-12599)
[Article ID 1150874.1]
In the alert.log shows:
>>
***********************************************************************
NI cryptographic checksum mismatch error: 12599.
VERSION INFORMATION:
TNS for Linux: Version 11.2.0.3.0 - Production
Oracle Bequeath NT Protocol Adapter for Linux: Version 11.2.0.3.0 - Production
TCP/IP NT Protocol Adapter for Linux: Version 11.2.0.3.0 - Production
Time: 05-DEC-2011 11:30:18
Tracing not turned on.
Tns error struct:
ns main err code: 12599
TNS-12599: TNS:cryptographic checksum mismatch
ns secondary err code: 2526
nt main err code: 0
nt secondary err code: 0
nt OS err code: 0
2011-12-05 11:30:43.194000 +08:00
Solution 1:
###########################################################################################
# To Avoid TNS-12599 Errors in Alert.log,
# Add the following in the $ORACLE_HOME/network/admin/sqlnet.ora on target database server:
###########################################################################################
SQLNET.ENCRYPTION_TYPES_SERVER = (3DES168)
ps. Reload the Listener or restart the EM agent to take effect.
Solution 2:
Patches for bug 9953045 and bug 12360281 fix this problem.
- bug 9953045 is to fix the issue for repository connection made from OMS
- bug 12360281 is to fix target database connections made from OMS
