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Asked: 2026-05-18T00:28:15+00:00

I’m running an ldap_list with this filter: (&(givenname=*)(objectClass=User)(!department=Executive)) and I get zero results and

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I’m running an ldap_list with this filter:

"(&(givenname=*)(objectClass=User)(!department=Executive))"

and I get zero results and this warning in the PHP log:

ldap_get_entries(): supplied argument is not a valid ldap result resource…

If I remove the NOT operator for department and run it:

"(&(givenname=*)(objectClass=User)(department=Executive))"

I get the exact results I’m expecting and no warning. Since I get good results with the latter filter, I can only assume my ldap connection, base_DN, and attributes are correct. I’ve run both filters in Active Directory Users and Computers via the Management Console and both run perfectly so I can assume the filter is correct. Just for grins I tried ldap_search instead of ldap_list and got the same results. Any ideas?

Oh, I’m running PHP 5.2.14 on IIS 7.5.

Thanks

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1 Answer

  1. Editorial Team

    You need to move the operator outside the parentheses

    (!(department=Executive))
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