On Windows, the updateschema.pl script in Access Manager 7.1 patch 3 and later requires the version 4.21 or later ldapjdk.jar file. In some old ldapjdk.jar files, the version is not even defined in the META-INF/MANIFEST.MF file. If the LDAP JDK version is older than 4.21 or not defined, the updateschema.pl script exits with an error.
Workaround. Download and install the latest LDAP JDK patch, as described in Sun Java System LDAP JDK Patches.