Many directory servers allow for less restrictive application of their access control instructions, so that they accept invalid ACIs. For example, if Sun/Oracle encounters an access control rule that it cannot parse, then it will simply ignore it without any warning, and the server may not offer the intended access protection. Rather than unexpectedly exposing sensitive data, the PingDirectory Server rejects any ACIs that it cannot interpret, which ensures data access is properly limited as intended, but it can cause problems when migrating data with existing access control rules to a PingDirectory Server.

To validate an access control instruction, the PingDirectory Server provides a validate-acis tool in the bin directory (UNIX or Linux systems) or bat directory (Windows systems) that identifies any ACI syntax problems before migrating data. The tool can examine access control rules contained in either an LDIF file or an LDAP directory and write its result in LDIF with comments providing information about any problems that were identified. Each entry in the output will contain only a single ACI, so if an entry in the input contains multiple ACIs, then it may be present multiple times in the output, each time with a different ACI value. The entries contained in the output contains only ACI values, and all other attributes will be ignored.