I'm using ZopeLDAP v. 1.0b1 The LDAP filter methods stopped working after upgrading to Zope 2.1.6 I changed line 259 in LM.py from: f=apply(f, (p,), argdata) to: f=apply(f, (p, argdata)) This seems to have solved the problem. Can anyone see a problem with this fix or a better solution? - Wade