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AD searcher doesn't return all results.

I use DirectoryServices namespace to search AD.
I use "(&(objectcategory=person)(objectClass=user))" search string to
retrieve all users. However I noticed that not all users are returned.

There's a user nick named, say, yyyyy, and another named rrrrr.
rrrrr is returned by the query, yyyyy is not. Whn I use SmaAccountName
query for each, both are returned and objectclass and objectcategory
properties of the records are the same.

Why isn't yyyyy returned in the main result set (all users)?
Here's my code:

string strLdap = "LDAP://myserver";
System.DirectoryServices.DirectoryEntry entry = new
System.DirectoryServices.DirectoryEntry(strLdap,"s rv\\user","password");
System.DirectoryServices.DirectorySearcher searcher = new

if (Request.QueryString["Nick"] != null)
searcher.Filter = String.Format("(SAMAccountName={0})",
searcher.Filter = "(&(objectcategory=person)(objectClass=user))" ;
System.DirectoryServices.SearchResultCollection resultsCol =

for(int i=0; i<resultsCol.Count; i++)

..... do stuff ...................

Jan 23 '06 #1
0 962

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