Errors in alert log [NI cryptographic checksum mismatch] TNS-12599

Using rdbms 11.2 as the repository for our Grid Control environmont, noticed a lot of the same errors in the alert file of the repository or/and the target database:

NI cryptographic checksum mismatch error: 12599.
TNS for Linux: Version – Production
Oracle Bequeath NT Protocol Adapter for Linux: Version – Production
TCP/IP NT Protocol Adapter for Linux: Version – Production
Time: 24-MAR-2011 11:58:31
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

Note: 1150874.1 gives the cause, workaround and solution:

By |May 25th, 2011|Categories: Database, grid control|0 Comments

Restoring OCR on


As the documentation about restoring an OCR did not work as it should be, the following has been succesfully tested…

Log on as “root”
# . oraenv +ASM1
# ./ocrconfig -showbackup
# ./ocrconfig -showbackup manual

Stop the cluster on all nodes

# crsctl stop crs

By |May 15th, 2011|Categories: Database, RAC|Tags: , , |0 Comments