Log files are maintained to troubleshoot the problems that occur. These log files contain information about the errors that occur. This would help you solve the problems.
Refer to the Troubleshooting chapter for more details.
Table . Log files
Windows NT / 2000
install_directory\nds\dssnmpsa.log
install_directory/nds\dssnmpsrv.log
NA
Solaris
/var/nds/ndssnmpsa.log
/var/nds/ndsd.log
/var/adm/messages
Linux
/var/log/messages
AIX