[{"data":1,"prerenderedAt":295},["ShallowReactive",2],{"doku:en:richtlinien-anhang\u002Fhilfe-microsoft-policies-deviceinstallation-deviceinstall-classes-deny":3},{"seite":4,"start":40,"leiste":41,"bereich":294,"zurueck":294,"weiter":294},{"sprache":5,"rel":6,"zu":7,"id":8,"titel":9,"titelHtml":9,"beschreibung":10,"kennzeile":11,"imMenue":12,"html":13,"ueberschriften":14},"en","richtlinien-anhang\u002Fhilfe-microsoft-policies-deviceinstallation-deviceinstall-classes-deny","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Fhilfe-microsoft-policies-deviceinstallation-deviceinstall-classes-deny","referenz-hilfe-microsoft-policies-deviceinstallation-deviceinstall-classes-deny","Prevent installation of devices using drivers that match these device setup classes","This computer policy prevents Windows from installing or updating driver packages whose device setup class GUID appears in the deny list.","since 0.9.8.11",false,"\u003Ch2 id=\"purpose\">Purpose\u003C\u002Fh2>\n\u003Cdetails class=\"doku-klappbox\">\u003Csummary>Show registry keys (3)\u003C\u002Fsummary>\u003Cdiv class=\"doku-klappbox-inhalt\">\n\u003Cul>\n\u003Cli>\u003Ccode>HKLM\\Software\\Policies\\Microsoft\\Windows\\DeviceInstall\\Restrictions\\DenyDeviceClasses\u003C\u002Fcode>\u003C\u002Fli>\n\u003Cli>\u003Ccode>HKLM\\Software\\Policies\\Microsoft\\Windows\\DeviceInstall\\Restrictions\\DenyDeviceClassesRetroactive\u003C\u002Fcode>\u003C\u002Fli>\n\u003Cli>\u003Ccode>HKLM\\Software\\Policies\\Microsoft\\Windows\\DeviceInstall\\Restrictions\\DenyDeviceClasses\\<Wertname>\u003C\u002Fcode>\u003C\u002Fli>\n\u003C\u002Ful>\n\u003C\u002Fdiv>\u003C\u002Fdetails>\n\u003Cp>This computer policy prevents Windows from installing or updating driver packages whose device setup class GUID appears in the deny list. A device setup class groups devices that Windows installs and configures in a similar manner. The restriction can therefore cover an entire class of devices rather than one model or individual device instance.\u003C\u002Fp>\n\u003Cp>The \u003Ccode>DenyDeviceClasses\u003C\u002Fcode> value under the \u003Ccode>Restrictions\u003C\u002Fcode> key enables the restriction. String values under the separate \u003Ccode>DenyDeviceClasses\u003C\u002Fcode> subkey hold the denied device setup class GUIDs. The names of these list entries provide their numbering; the GUID stored as each entry's data determines the class being denied.\u003C\u002Fp>\n\u003Cp>Without retroactive enforcement, the policy blocks new installations and driver updates but generally leaves devices that are already installed unaffected. \u003Ccode>DenyDeviceClassesRetroactive\u003C\u002Fcode> extends the restriction to matching devices that are already installed.\u003C\u002Fp>\n\u003Ch2 id=\"notes\">Notes\u003C\u002Fh2>\n\u003Ch3 id=\"additional-effects\">Additional effects\u003C\u002Fh3>\n\u003Cp>On a Remote Desktop Session Host, the policy also affects redirection of matching devices from a Remote Desktop client to the host.\u003C\u002Fp>\n\u003Cp>By default, device installation policies that deny installation take precedence over policies that allow it. If layered evaluation is enabled separately, overlapping rules are evaluated by specificity: device instance ID, device ID, device setup class, and then removable-device status. A more specific allow rule can consequently override a broader class-based denial for the applicable device.\u003C\u002Fp>\n\u003Ch3 id=\"security\">Security\u003C\u002Fh3>\n\u003Cp>The policy can stop devices in unapproved setup classes from being newly installed or updated with another driver package. This can reduce exposure to unwanted peripheral devices and attacks that depend on installing them.\u003C\u002Fp>\n\u003Cp>It is not a general access-control mechanism for the functions or data of a device. In particular, a non-retroactive class restriction does not automatically revoke access to a device that is already installed, and it does not replace policies that control read or write access to removable storage.\u003C\u002Fp>\n\u003Ch3 id=\"possible-side-effects\">Possible side effects\u003C\u002Fh3>\n\u003Cp>Device setup classes can have broad scope. Retroactive enforcement can therefore make devices required for normal operation unavailable. Microsoft identifies internal disk drives and network devices as critical examples. Depending on the denied class, the computer can lose boot capability, network connectivity, or local input.\u003C\u002Fp>\n\u003Cp>Multifunction and composite devices often contain several Plug and Play nodes with different class GUIDs. A class restriction might consequently disable only part of a device, or a denied parent node might affect several child functions.\u003C\u002Fp>\n\u003Ch3 id=\"notes-1\">Notes\u003C\u002Fh3>\n\u003Cp>The policy has device scope and affects every user of the computer. Device setup classes are represented by GUIDs enclosed in braces. Because one physical device can correspond to multiple nodes in the Plug and Play device tree, the complete set of affected class GUIDs determines which device functions are actually blocked.\u003C\u002Fp>\n\u003Ch3 id=\"microsoft-documentation\">Microsoft documentation\u003C\u002Fh3>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fwindows\u002Fclient-management\u002Fmdm\u002Fpolicy-csp-deviceinstallation#preventinstallationofmatchingdevicesetupclasses\">Microsoft Learn: DeviceInstallation Policy CSP – Prevent installation of matching device setup classes\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fwindows\u002Fclient-management\u002Fclient-tools\u002Fmanage-device-installation-with-group-policy\">Microsoft Learn: Manage device installation with Group Policy\u003C\u002Fa>\u003C\u002Fp>\n\u003Ch2 id=\"see-also\">See also\u003C\u002Fh2>\n\u003Cul>\n\u003Cli>\u003Ca href=\"\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-geraete-wechselmedien#e-718a014f10\">Entry in the reference\u003C\u002Fa>\u003C\u002Fli>\n\u003C\u002Ful>\n",[15,19,22,26,29,32,34,37],{"ebene":16,"id":17,"text":18},2,"purpose","Purpose",{"ebene":16,"id":20,"text":21},"notes","Notes",{"ebene":23,"id":24,"text":25},3,"additional-effects","Additional effects",{"ebene":23,"id":27,"text":28},"security","Security",{"ebene":23,"id":30,"text":31},"possible-side-effects","Possible side effects",{"ebene":23,"id":33,"text":21},"notes-1",{"ebene":23,"id":35,"text":36},"microsoft-documentation","Microsoft documentation",{"ebene":16,"id":38,"text":39},"see-also","See also","\u002Fen\u002Fdocumentation",[42,62,74,82,130,150,166,182,206,222,238],{"titel":43,"pfad":44,"seiten":45},"Getting started","erste-schritte",[46,50,54,58],{"rel":47,"titel":48,"zu":49},"erste-schritte\u002Fwas-ist-setup-foundry","Setup 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tasks","\u002Fen\u002Fdocumentation\u002Fwindows-anhang\u002Faufgaben",{"rel":235,"titel":236,"zu":237},"windows-anhang\u002Fapps","App packages","\u002Fen\u002Fdocumentation\u002Fwindows-anhang\u002Fapps",{"titel":239,"pfad":240,"seiten":241},"Policy appendix","richtlinien-anhang",[242,246,250,254,258,262,266,270,274,278,282,286,290],{"rel":243,"titel":244,"zu":245},"richtlinien-anhang\u002Frichtlinien","Policy reference","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien",{"rel":247,"titel":248,"zu":249},"richtlinien-anhang\u002Frichtlinien-office-haertung","Office hardening","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-office-haertung",{"rel":251,"titel":252,"zu":253},"richtlinien-anhang\u002Frichtlinien-edge-internet-explorer","Edge and Internet 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encryption","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-laufwerksverschluesselung",{"rel":287,"titel":288,"zu":289},"richtlinien-anhang\u002Frichtlinien-windows-update","Windows Update","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-windows-update",{"rel":291,"titel":292,"zu":293},"richtlinien-anhang\u002Frichtlinien-grundeinstellungen","Defaults and privacy settings","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-grundeinstellungen",null,1793199128744]