Systems and methods for performing a bulk append into an LDAP Server Directory Store. A conversion tool may receive an input file in LDIF format. The conversion tool performs a schema check on each entry in the input file, and creates a plurality of output files in SQL or another LDAP database structured format. One output file is created for each attribute in the input file. In addition, a file for an attribute table and a file for a catalog table may be created. One or more SQL Loading tools then load the output files into the LDAP Server Directory Store in parallel, except for the DN catalog table. After the other output files have been loaded, the DN catalog file is loaded into the LDAP Server Directory Store.