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Get Email by sAMAccountName from LDAP

/ Published in: C#
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Uses LDAP to find EMail address by using the sAMAccountName.

Add System.DirectoryServices to references.

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  1. public static string GetEmailBySAMAccountName(string sAMAccountName)
  2. {
  3.     var oroot = new System.DirectoryServices.DirectoryEntry("LDAP://INVESTOR_AB");
  4.     var osearcher = new System.DirectoryServices.DirectorySearcher(oroot);
  5.     osearcher.Filter = string.Format("(&(sAMAccountName={0}))", sAMAccountName);
  6.     var oresult = osearcher.FindAll();
  7.  
  8.     if (oresult.Count == 0) throw new InvalidOperationException(string.Format("Cannot find sAMAccountName {0} in LDAP.", sAMAccountName));
  9.     if (oresult.Count > 1) throw new InvalidOperationException(string.Format("There are {0} items with sAMAccountName {1} in LDAP.", oresult.Count, sAMAccountName));
  10.  
  11.     return oresult[0].Properties["mail"][0].ToString();
  12. }

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