[{"data":1,"prerenderedAt":295},["ShallowReactive",2],{"doku:en:richtlinien-anhang\u002Fhilfe-microsoft-policies-deliveryoptimization-downloadmode":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-deliveryoptimization-downloadmode","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Fhilfe-microsoft-policies-deliveryoptimization-downloadmode","referenz-hilfe-microsoft-policies-deliveryoptimization-downloadmode","Download Mode","This machine-wide `REG_DWORD` value determines which sources Windows Delivery Optimization may use to obtain supported content for Microsoft products.","since 0.9.8.11",false,"\u003Ch2 id=\"purpose\">Purpose\u003C\u002Fh2>\n\u003Cdetails class=\"doku-klappbox\">\u003Csummary>Show registry keys (1)\u003C\u002Fsummary>\u003Cdiv class=\"doku-klappbox-inhalt\">\n\u003Cul>\n\u003Cli>\u003Ccode>HKLM\\SOFTWARE\\Policies\\Microsoft\\Windows\\DeliveryOptimization\\DODownloadMode\u003C\u002Fcode>\u003C\u002Fli>\n\u003C\u002Ful>\n\u003C\u002Fdiv>\u003C\u002Fdetails>\n\u003Cp>This machine-wide \u003Ccode>REG_DWORD\u003C\u002Fcode> value determines which sources Windows Delivery Optimization may use to obtain supported content for Microsoft products. Depending on the value, Delivery Optimization can use the original HTTP source, Microsoft Connected Cache, and\u002For peer devices.\u003C\u002Fp>\n\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth style=\"text-align:right\">Value\u003C\u002Fth>\n\u003Cth>Effect\u003C\u002Fth>\n\u003C\u002Ftr>\n\u003C\u002Fthead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd style=\"text-align:right\">\u003Ccode>0\u003C\u002Fcode>\u003C\u002Ftd>\n\u003Ctd>Uses HTTP sources or Microsoft Connected Cache, but no peers. The Delivery Optimization cloud service can still provide metadata.\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd style=\"text-align:right\">\u003Ccode>1\u003C\u002Fcode>\u003C\u002Ftd>\n\u003Ctd>Combines HTTP sources with peers that use the same public IP address or NAT connection. The actual peer communication occurs within the network.\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd style=\"text-align:right\">\u003Ccode>2\u003C\u002Fcode>\u003C\u002Ftd>\n\u003Ctd>Combines HTTP sources with peers in the same private group. The group can span internal subnets and NAT boundaries; its membership depends in part on the Group ID and Group ID source settings.\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd style=\"text-align:right\">\u003Ccode>3\u003C\u002Fcode>\u003C\u002Ftd>\n\u003Ctd>Combines HTTP sources with internet peers.\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd style=\"text-align:right\">\u003Ccode>99\u003C\u002Fcode>\u003C\u002Ftd>\n\u003Ctd>Uses only HTTP sources or Microsoft Connected Cache. Peering and communication with the Delivery Optimization cloud service are disabled. This Simple mode is intended for environments without internet access to the cloud service.\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd style=\"text-align:right\">\u003Ccode>100\u003C\u002Fcode>\u003C\u002Ftd>\n\u003Ctd>Bypasses Delivery Optimization and transfers downloads to the Background Intelligent Transfer Service (BITS). This mode is deprecated starting with Windows 11.\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Cp>When peers and Microsoft Connected Cache are available, Delivery Optimization can use multiple sources in parallel. If content cannot be obtained from those sources, the original HTTP source remains available as a fallback.\u003C\u002Fp>\n\u003Ch2 id=\"notes\">Notes\u003C\u002Fh2>\n\u003Ch3 id=\"additional-effects\">Additional effects\u003C\u002Fh3>\n\u003Cp>In modes \u003Ccode>1\u003C\u002Fcode>, \u003Ccode>2\u003C\u002Fcode>, and \u003Ccode>3\u003C\u002Fcode>, the device can upload eligible cached Microsoft content to other peers. The value establishes the general scope of the peer group. Other policies can further restrict peer selection, group formation, bandwidth usage, and the conditions under which uploads are permitted.\u003C\u002Fp>\n\u003Cp>This setting controls the sources used by Delivery Optimization and the scope of content sharing. It does not prevent Windows Update, Microsoft Store, or other integrated services from downloading their content.\u003C\u002Fp>\n\u003Ch3 id=\"security\">Security\u003C\u002Fh3>\n\u003Cp>Peer transfers use the Delivery Optimization protocol over TCP port \u003Ccode>7680\u003C\u002Fcode>, not SMB shares or general file access. Delivery Optimization does not access or share personal files and folders.\u003C\u002Fp>\n\u003Cp>Content pieces received from peers are initially treated as untrusted. Windows validates each piece against cryptographically protected content metadata and discards invalid data. Allowing peers therefore does not grant those devices general access to files or other system resources.\u003C\u002Fp>\n\u003Cp>The modes nevertheless differ in network exposure: mode \u003Ccode>1\u003C\u002Fcode> limits peering to devices behind the same public IP address, mode \u003Ccode>2\u003C\u002Fcode> can form private groups across subnet and NAT boundaries, and mode \u003Ccode>3\u003C\u002Fcode> permits internet peers. Membership in the same Microsoft Entra tenant, Active Directory site or domain, or Delivery Optimization group must not be treated as authentication of participating devices.\u003C\u002Fp>\n\u003Ch3 id=\"possible-side-effects\">Possible side effects\u003C\u002Fh3>\n\u003Cp>Peer-enabled modes generate upload traffic in addition to downloads and require extra peer communication. They can reduce traffic from internet content sources, but consume local network, disk, and device resources. Actual usage depends on peer availability, supported content types, and other applicable policies.\u003C\u002Fp>\n\u003Cp>Modes \u003Ccode>0\u003C\u002Fcode> and \u003Ccode>99\u003C\u002Fcode> disable peering. This removes the ability to reuse cached content from peer devices, so multiple devices might retrieve the same content more often from an HTTP source or Microsoft Connected Cache.\u003C\u002Fp>\n\u003Cp>With value \u003Ccode>100\u003C\u002Fcode>, content that requires Delivery Optimization can fail to download; Microsoft documents error \u003Ccode>0x80d03002\u003C\u002Fcode> as one possible result. The value is deprecated on Windows 11.\u003C\u002Fp>\n\u003Ch3 id=\"notes-1\">Notes\u003C\u002Fh3>\n\u003Cp>Value \u003Ccode>0\u003C\u002Fcode> disables only peer-to-peer transfers, not the Delivery Optimization HTTP downloader. Value \u003Ccode>99\u003C\u002Fcode> also disables communication with the Delivery Optimization cloud service.\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-deliveryoptimization#dodownloadmode\">Microsoft Learn: Policy CSP – DeliveryOptimization (\u003Ccode>DODownloadMode\u003C\u002Fcode>)\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fwindows\u002Fdeployment\u002Fdo\u002Fwaas-delivery-optimization-reference#download-mode\">Microsoft Learn: Delivery Optimization reference – Download Mode\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fwindows\u002Fdeployment\u002Fdo\u002Fdelivery-optimization-workflow\">Microsoft Learn: How Delivery Optimization works\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fwindows\u002Fdeployment\u002Fdo\u002Fwaas-delivery-optimization-faq\">Microsoft Learn: Delivery Optimization Frequently Asked Questions\u003C\u002Fa>\u003C\u002Fp>\n\u003Ch2 id=\"see-also\">See also\u003C\u002Fh2>\n\u003Cul>\n\u003Cli>\u003Ca href=\"\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-windows-update#e-ad9714af98\">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 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users","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fbenutzer",{"rel":99,"titel":100,"zu":101},"konfiguration\u002Fbilder","Background picture and logo","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fbilder",{"rel":103,"titel":104,"zu":105},"konfiguration\u002Fwindows-bereinigen","Cleaning up Windows","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fwindows-bereinigen",{"rel":107,"titel":108,"zu":109},"konfiguration\u002Fapps-entfernen","Removing apps","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fapps-entfernen",{"rel":111,"titel":112,"zu":113},"konfiguration\u002Fauswaehlen","Selecting applications","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fauswaehlen",{"rel":115,"titel":116,"zu":117},"konfiguration\u002Frichtlinien","Policies","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Frichtlinien",{"rel":119,"titel":120,"zu":121},"konfiguration\u002Fpc-informationen","PC 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