Error opening slapd.cat file on Windows systems

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If an error occurs when you open slapd.cat file on a Windows™ system, you must check the NLSPATH variable.

On Windows systems, you might receive an error that includes the following message: 
Error opening slapd.cat
Plugin of type DATABASE is successfully loaded from 
C:/Program Files/IBM/LDAP/V6.2/bin/libback-config.dll.
Error opening rdbm.cat

If this error occurs, check the NLSPATH environment variable. The installation program sets the NLSPATH environment variable as a system environment variable. However, if the NLSPATH variable is also set as a user environment variable, the user NLSPATH environment variable overrides the system setting.

Append the NLSPATH information from the system environment variable to the information in the user environment variable.