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POPerformance issues in connecting to AD using Global catalog
 

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  1. POPerformance issues in connecting to AD using Global catalog
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    <p>I faced performance issues to connect to active directory using Domain Catalog approach then a friend advised me to use the Global Catalog approach but I faced higher performance issues I did make a proof-of-concept and then using </p> <p><strong>Example 1</strong> : using domain catalog</p> <pre><code>DirectoryEntry de = new DirectoryEntry(); de.Path = "LDAP://DomainName.CORP.COM"; de.Password = "UserPassword"; de.Username = "UserName"; DirectorySearcher deSearch = new DirectorySearcher(); deSearch.SearchRoot = de; deSearch.ClientTimeout = new TimeSpan(0, 0, 60); deSearch.SearchScope = SearchScope.Subtree; string format = "(&amp;(objectClass=user)(sAMAccountName="+InputUserName+"))"; deSearch.Filter = string.Format(format, UserName); </code></pre> <p>It took about 1 second </p> <p><strong>Example 2</strong> : using Global Catalog with unsecured port (3268): </p> <pre><code>de.Path = "GC://CORP.COM:3268"; </code></pre> <p>it took 6 seconds </p> <p><strong>Example 3</strong> : using Global Catalog with secured port (3269): </p> <pre><code>de.Path = "GC://CORP.COM:3269"; </code></pre> <p>It took 38 seconds </p> <p>Can you help me how can I solve performance issues using secured Global Catalog approach as you see it took much time ? </p> <p>By the way I found at the following article : <a href="http://support.microsoft.com/kb/951581" rel="nofollow">http://support.microsoft.com/kb/951581</a> the we can solve performance issues by work around to disable paged query but I do not know how I implement that ? </p> <p>Your feedback will be highly appreciated </p>
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    1. USmarc_s
    1. USMohammed Thabet
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    1. CONo one can help ?
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      1. USMohammed Thabet
    2. COMine is very similar like yours, but I don't use deSearch.SearchScope = SearchScope.Subtree; Maybe you can try it without that line.
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      1. USmaxisam
 

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