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Schlagwort: FindAll()

Active Directory – Supersonic and the directory searcher

Whats the difference between supersonic and the directory searcher? Nothing, because if you get over ~1000 you crash into a wall. 🙂 Last week we had to deal with the limitations on the directory searcher. We performed a user search on an organizational unit (subtree) with more than 1000 users beneath. We where astonished that our userobject only contained 1000 items every time we did the search. I wrote a little test script in powershell to reproduce this behaviour and to see if this limitation is a C# problem or not. So I wrote this script:

As expected, powershell returned only 1000 objects. Then we tried to find out why and looked at the $objSearcher property list.

As you can see, there are two interesting properties: sizelimit and pagesize. So I played around with these two properties and found some explanations for them. Sizelimit is the limit for the maximum returned results, but you can’t set this property above 1000. So I looked at the second property, pagesize. This property sets the maximum result items per returned page. So all you have to do is, set sizelimit to 0 and set pagesize to 1000 and you will get…