When you import .ldif file onto your server you might get the following error:
GLPCRY007E The directory key stash file is inconsistent with the associated encrypted data.
In order to resolve this error you need to modify ibm-slapdCryptoSync and ibm-slapdCryptoSalt with the values specific to your ldap instance.
You can find out the above values at your server by running the command:
/opt/ibm/ldap/V6.1/bin/ldapsearch -D cn=root -w passw0rd -s base -b cn=crypto,cn=localhost cn=*