Scenario:

Win 7 machine with latest Zone Alarm firewall and Anti-virus installed

Using LDK 6.4 ADMIN API: sntl_admin_context_new
localhost and port 1947
sntl_admin_get
Retrieve All Key data

Error 6002 SNTL_ADMIN_LM_NOT_FOUND

In few cases it’s observed that Zone Alarm is interfering with DNS.

Solution:

Use 127.0.0.1

Or edit file C:\Windows\System32\drivers\etc\hosts  adding (or uncomment) row
127.0.0.1 localhost