{"id":16021,"date":"2020-09-22T00:02:00","date_gmt":"2020-09-21T22:02:00","guid":{"rendered":"http:\/\/159.69.82.204\/win\/?p=16021"},"modified":"2020-09-22T12:01:34","modified_gmt":"2020-09-22T10:01:34","slug":"windows-10-version-ab-1809-190x-robocopy-extensions","status":"publish","type":"post","link":"https:\/\/borncity.com\/win\/2020\/09\/22\/windows-10-version-ab-1809-190x-robocopy-extensions\/","title":{"rendered":"Windows 10, version 1809\/190x: robocopy extensions"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" style=\"float: left; margin: 0px 10px 0px 0px; display: inline;\" src=\"https:\/\/www.borncity.com\/blog\/wp-content\/uploads\/2015\/01\/win102.jpg\" width=\"58\" height=\"58\" align=\"left\" \/>[<a href=\"https:\/\/www.borncity.com\/blog\/2020\/09\/18\/windows-10-version-1809-190x-erweiterungen-bei-robocopy-mithilfe-gefragt\/\" target=\"_blank\" rel=\"noopener noreferrer\">German<\/a>]In Windows 10 version 1809 and version 1903\/1909 Microsoft has added some extensions to the robocopy command with the preview updates of September 16, 2020. To my knowledge, Microsoft has not documented anything so far.<\/p>\n<p><!--more--><\/p>\n<h2>Robocopy extensions<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/vg04.met.vgwort.de\/na\/0b376086d9f4483496bcf81742aa2245\" alt=\"\" width=\"1\" height=\"1\" \/>On September 16, 2020 Microsoft released several cumulative updates as previews for Windows 10 versions 1809, 1903 and 1909. I had reported about this in the blog post\u00a0 <a href=\"https:\/\/borncity.com\/win\/2020\/09\/17\/windows-10-v1809-190x-preview-updates-september-16-2020\/\">Windows 10 V1809\/190x: Preview Updates (September 16, 2020)<\/a>. In the change list you can also find the following note.<\/p>\n<blockquote><p>Adds new functionality to the <strong>robocopy<\/strong> command.<\/p><\/blockquote>\n<p>Microsoft has, as far as I've noticed, nothing documented so far regarding possible extensions. The <a href=\"https:\/\/docs.microsoft.com\/en-us\/windows-server\/administration\/windows-commands\/robocopy\">documentation page for robocopy<\/a> was last updated on June 7, 2020. My <a href=\"https:\/\/twitter.com\/etguenni\/status\/1306538515652542464\" target=\"_blank\" rel=\"noopener noreferrer\">Twitter request<\/a> to the Windows Update Social Media Team has so far no result &#8230;<\/p>\n<h2>The robocopy extensions<\/h2>\n<p>German blog reader <em>jss <\/em>has left the following information as a comment &#8211; so the new commands and options are probably fixed..<\/p>\n<blockquote><p>\/IM:: Contains modified files (different modification times).<\/p>\n<p>\/LFSM :: Operation in \"little free space\" mode, allows copying, pausing and resuming (see comments).<\/p>\n<p>\/LFSM:n [CMM] :: \/LFSM, specifies the floor size in [K:Kilo,M:Mega,G:Giga] bytes.<\/p><\/blockquote>\n<p>Besides that, the current 2004 robocopy help, according to the comment of jss, mentions two more switches that the 1809 does not throw out even with the update:<\/p>\n<blockquote><p>\/SJ :: Copies connections as connections instead of as connection targets.<\/p>\n<p>\/COMPRESS :: Requests network compression during file transfer if necessary.<\/p><\/blockquote>\n<p>The robocopy compress command has been mentioned by Ned Pyle within <a href=\"https:\/\/techcommunity.microsoft.com\/t5\/itops-talk-blog\/smb-compression-deflate-your-io\/ba-p\/1183552\" target=\"_blank\" rel=\"noopener noreferrer\">this Techcommunity article<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[German]In Windows 10 version 1809 and version 1903\/1909 Microsoft has added some extensions to the robocopy command with the preview updates of September 16, 2020. To my knowledge, Microsoft has not documented anything so far.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[194],"class_list":["post-16021","post","type-post","status-publish","format-standard","hentry","category-windows","tag-windows"],"_links":{"self":[{"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/posts\/16021","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/comments?post=16021"}],"version-history":[{"count":0,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/posts\/16021\/revisions"}],"wp:attachment":[{"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/media?parent=16021"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/categories?post=16021"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/tags?post=16021"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}