{"id":757,"date":"2025-10-28T22:20:33","date_gmt":"2025-10-28T21:20:33","guid":{"rendered":"https:\/\/www.silverice.it\/IpercubeTechWP1\/?page_id=757"},"modified":"2025-10-28T22:21:57","modified_gmt":"2025-10-28T21:21:57","slug":"adgetallgroupusers","status":"publish","type":"page","link":"https:\/\/www.silverice.it\/IpercubeTechWP1\/ipercube-utilities\/active-directory-functions\/adgetallgroupusers\/","title":{"rendered":"Get All Group Users"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Retrieves all user accounts that are direct or recursive members of a specific Active Directory group.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Uses\u00a0<strong>DirectoryServices.AccountManagement.GroupPrincipal.FindByIdentity<\/strong>\u00a0to locate the group in Active Directory.<\/li>\n\n\n\n<li>Retrieves all members of the group recursively using\u00a0<strong>group.GetMembers(True)<\/strong>.<\/li>\n\n\n\n<li>Only\u00a0<strong>DirectoryServices.AccountManagement.UserPrincipal<\/strong>\u00a0objects are added to the returned list; other types of members are ignored.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column page-snippet is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-Geist-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-Geist-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:flex;align-items:center;padding:10px 0px 10px 16px;margin-bottom:-2px;width:100%;text-align:left;background-color:#2b2b2b;color:#c7c7c7\">VB<\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>    Public Function adGetAllGroupUsers(groupDN As String, \n                                       domain As String, \n                                       username As String, \n                                       password As String) As List(Of UserPrincipal)\n                                       \n        ' Initialize the list to hold user principals\n        Dim userList As New List(Of UserPrincipal)()\n\n        ' Validate inputs\n        If String.IsNullOrEmpty(groupDN) OrElse \n            String.IsNullOrEmpty(domain) OrElse \n            String.IsNullOrEmpty(username) OrElse \n            String.IsNullOrEmpty(password) Then\n            Throw New ArgumentException(\"All parameters must be provided and not empty.\")\n        End If\n\n        ' Create the PrincipalContext to connect to the domain with ADWS\n        Dim context As New PrincipalContext(ContextType.Domain, domain, username, password)\n\n        Try\n            ' Find the group by its distinguishedName\n            Dim group As GroupPrincipal = \n                      GroupPrincipal.FindByIdentity(context,     \n                      IdentityType.DistinguishedName, groupDN)\n\n            If group Is Nothing Then\n                Throw New Exception(\"Group not found: \" &amp; groupDN)\n            End If\n\n            ' Iterate over all members of the group (ADWS handles paging internally)\n            For Each principal As Principal In group.GetMembers(True) ' True = recursive members\n                ' Filter only user principals\n                If TypeOf principal Is UserPrincipal Then\n                    userList.Add(CType(principal, UserPrincipal))\n                End If\n            Next\n        Catch ex As Exception\n            Throw New Exception(\"Error during ADWS query: \" &amp; ex.Message)\n        End Try\n\n        ' Return the list of user principals\n        Return userList\n    End Function<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M4.5 12.75l6 6 9-13.5\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M16.5 8.25V6a2.25 2.25 0 00-2.25-2.25H6A2.25 2.25 0 003.75 6v8.25A2.25 2.25 0 006 16.5h2.25m8.25-8.25H18a2.25 2.25 0 012.25 2.25V18A2.25 2.25 0 0118 20.25h-7.5A2.25 2.25 0 018.25 18v-1.5m8.25-8.25h-6a2.25 2.25 0 00-2.25 2.25v6\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">Public Function <\/span><span style=\"color: #DCDCAA\">adGetAllGroupUsers<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">groupDN<\/span><span style=\"color: #D4D4D4\"> As <\/span><span style=\"color: #4EC9B0\">String<\/span><span style=\"color: #D4D4D4\">, <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">                                       domain As <\/span><span style=\"color: #4EC9B0\">String<\/span><span style=\"color: #D4D4D4\">, <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">                                       username As <\/span><span style=\"color: #4EC9B0\">String<\/span><span style=\"color: #D4D4D4\">, <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">                                       password As <\/span><span style=\"color: #4EC9B0\">String<\/span><span style=\"color: #D4D4D4\">) As <\/span><span style=\"color: #4EC9B0\">List<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">Of<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">UserPrincipal<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">                                       <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #6A9955\">&#39; Initialize the list to hold user principals<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #569CD6\">Dim<\/span><span style=\"color: #9CDCFE\"> userList <\/span><span style=\"color: #D4D4D4\">As<\/span><span style=\"color: #569CD6\"> New <\/span><span style=\"color: #DCDCAA\">List<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">Of<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">UserPrincipal<\/span><span style=\"color: #D4D4D4\">)()<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #6A9955\">&#39; Validate inputs<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #C586C0\">If<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">String<\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #DCDCAA\">IsNullOrEmpty<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">groupDN<\/span><span style=\"color: #D4D4D4\">) OrElse <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #DCDCAA\">String<\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #DCDCAA\">IsNullOrEmpty<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">domain<\/span><span style=\"color: #D4D4D4\">) OrElse <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #DCDCAA\">String<\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #DCDCAA\">IsNullOrEmpty<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">username<\/span><span style=\"color: #D4D4D4\">) OrElse <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #DCDCAA\">String<\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #DCDCAA\">IsNullOrEmpty<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">password<\/span><span style=\"color: #D4D4D4\">) <\/span><span style=\"color: #C586C0\">Then<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            Throw<\/span><span style=\"color: #569CD6\"> New <\/span><span style=\"color: #DCDCAA\">ArgumentException<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&quot;All parameters must be provided and not empty.&quot;<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #C586C0\">End If<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #6A9955\">&#39; Create the PrincipalContext to connect to the domain with ADWS<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #569CD6\">Dim<\/span><span style=\"color: #9CDCFE\"> context <\/span><span style=\"color: #D4D4D4\">As<\/span><span style=\"color: #569CD6\"> New <\/span><span style=\"color: #DCDCAA\">PrincipalContext<\/span><span style=\"color: #D4D4D4\">(ContextType.Domain,<\/span><span style=\"color: #9CDCFE\"> domain<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #9CDCFE\"> username<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #9CDCFE\"> password<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        Try<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #6A9955\">&#39; Find the group by its distinguishedName<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #569CD6\">Dim<\/span><span style=\"color: #9CDCFE\"> group <\/span><span style=\"color: #D4D4D4\">As <\/span><span style=\"color: #4EC9B0\">GroupPrincipal<\/span><span style=\"color: #D4D4D4\"> = <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">                      GroupPrincipal.<\/span><span style=\"color: #DCDCAA\">FindByIdentity<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">context<\/span><span style=\"color: #D4D4D4\">,     <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">                      IdentityType.DistinguishedName,<\/span><span style=\"color: #9CDCFE\"> groupDN<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #C586C0\">If<\/span><span style=\"color: #D4D4D4\"> group Is<\/span><span style=\"color: #569CD6\"> Nothing<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #C586C0\">Then<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">                Throw<\/span><span style=\"color: #569CD6\"> New <\/span><span style=\"color: #DCDCAA\">Exception<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&quot;Group not found: &quot;<\/span><span style=\"color: #D4D4D4\"> &amp;<\/span><span style=\"color: #9CDCFE\"> groupDN<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #C586C0\">End If<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #6A9955\">&#39; Iterate over all members of the group (ADWS handles paging internally)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #C586C0\">For<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #C586C0\">Each<\/span><span style=\"color: #D4D4D4\"> principal As <\/span><span style=\"color: #4EC9B0\">Principal<\/span><span style=\"color: #D4D4D4\"> In group.<\/span><span style=\"color: #DCDCAA\">GetMembers<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">True<\/span><span style=\"color: #D4D4D4\">) <\/span><span style=\"color: #6A9955\">&#39; True = recursive members<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">                <\/span><span style=\"color: #6A9955\">&#39; Filter only user principals<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">                <\/span><span style=\"color: #C586C0\">If<\/span><span style=\"color: #D4D4D4\"> TypeOf principal Is UserPrincipal <\/span><span style=\"color: #C586C0\">Then<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">                    userList.<\/span><span style=\"color: #DCDCAA\">Add<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #DCDCAA\">CType<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">principal<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #9CDCFE\"> UserPrincipal<\/span><span style=\"color: #D4D4D4\">))<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">                <\/span><span style=\"color: #C586C0\">End If<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #C586C0\">Next<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        Catch ex As <\/span><span style=\"color: #4EC9B0\">Exception<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            Throw<\/span><span style=\"color: #569CD6\"> New <\/span><span style=\"color: #DCDCAA\">Exception<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&quot;Error during ADWS query: &quot;<\/span><span style=\"color: #D4D4D4\"> &amp; ex.<\/span><span style=\"color: #9CDCFE\">Message<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #DCDCAA\">End<\/span><span style=\"color: #D4D4D4\"> Try<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #6A9955\">&#39; Return the list of user principals<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #C586C0\">Return<\/span><span style=\"color: #D4D4D4\"> userList<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">End Function<\/span><\/span><\/code><\/pre><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Retrieves all user accounts that are direct or recursive members of a specific Active Directory group.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":754,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-757","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/pages\/757","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/comments?post=757"}],"version-history":[{"count":4,"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/pages\/757\/revisions"}],"predecessor-version":[{"id":761,"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/pages\/757\/revisions\/761"}],"up":[{"embeddable":true,"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/pages\/754"}],"wp:attachment":[{"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/media?parent=757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}