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    <p>You need to set DirectorySearcher.PageSize to a non-zero value to get all results.</p> <p>BTW you should also dispose DirectorySearcher when you're finished with it</p> <pre><code>using(DirectorySearcher srch = new DirectorySearcher(dirEnt, "(objectClass=Group)", loadProps)) { srch.PageSize = 1000; var results = srch.FindAll(); } </code></pre> <p>The API documentation isn't very clear, but essentially:</p> <ul> <li><p>when you do a paged search, the SizeLimit is ignored, and all matching results are returned as you iterate through the results returned by FindAll. Results will be retrieved from the server a page at a time. I chose the value of 1000 above, but you can use a smaller value if preferred. The tradeoff is: using a small PageSize will return each page of results faster, but will require more frequent calls to the server when iterating over a large number of results.</p></li> <li><p>by default the search isn't paged (PageSize = 0). In this case up to SizeLimit results is returned.</p></li> </ul> <p>As Biri pointed out, it's important to dispose the SearchResultCollection returned by FindAll, otherwise you may have a memory leak as described in the Remarks section of the MSDN documentation for DirectorySearcher.FindAll: <a href="http://msdn.microsoft.com/en-us/library/system.directoryservices.directorysearcher.findall.aspx" rel="noreferrer">http://msdn.microsoft.com/en-us/library/system.directoryservices.directorysearcher.findall.aspx</a></p> <p>One way to help avoid this in .NET 2.0 or later is to write a wrapper method that automatically disposes the SearchResultCollection. This might look something like the following (or could be an extension method in .NET 3.5):</p> <pre><code>public IEnumerable&lt;SearchResult&gt; SafeFindAll(DirectorySearcher searcher) { using(SearchResultCollection results = searcher.FindAll()) { foreach (SearchResult result in results) { yield return result; } } // SearchResultCollection will be disposed here } </code></pre> <p>You could then use this as follows:</p> <pre><code>using(DirectorySearcher srch = new DirectorySearcher(dirEnt, "(objectClass=Group)", loadProps)) { srch.PageSize = 1000; var results = SafeFindAll(srch); } </code></pre>
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    1. POCan I get more than 1000 records from a DirectorySearcher in ASP.NET?
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    1. COExcellent workaround. Worth an upvote.
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    2. COThis answered my question and more! Awesome advice, thank you very much!
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    3. COWhat if the there is an early termination in the foreach? Does the result collection still get released?
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