Had to update some of my Windows Server Core servers. Just writing these as a note to my future self.<\/p>\n
The Windows Update command is The command doesn’t have any output or help switches. Here’s a post<\/a> with a list of switches. In my experience none of the switches return any output, even if you enter the wrong switch. Some of the legit switches like To check for new updates the following switch works: To update the WSUS server with the client’s status the following switch supposedly works: Windows Update has a log file located at For Server Core the easiest way to check for updates is via SConfig. Open it and select option 6<\/span> (Download and Install Updates). This just runs another script – located in That’s all for now! <\/p>\n <\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" Had to update some of my Windows Server Core servers. Just writing these as a note to my future self. The Windows Update command is wuauclt. I can never get that command name (except that it starts with “wu”, short for “Windows Update”) so I always go into c:\\windows\\system32 and type “wu” followed by a … Continue reading Notes of Windows Update (wuauclt)<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[85],"tags":[51,572,573],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/rakhesh.com\/wp-json\/wp\/v2\/posts\/2731"}],"collection":[{"href":"https:\/\/rakhesh.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rakhesh.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rakhesh.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rakhesh.com\/wp-json\/wp\/v2\/comments?post=2731"}],"version-history":[{"count":0,"href":"https:\/\/rakhesh.com\/wp-json\/wp\/v2\/posts\/2731\/revisions"}],"wp:attachment":[{"href":"https:\/\/rakhesh.com\/wp-json\/wp\/v2\/media?parent=2731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rakhesh.com\/wp-json\/wp\/v2\/categories?post=2731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rakhesh.com\/wp-json\/wp\/v2\/tags?post=2731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}wuauclt<\/code>. I can never get that command name (except that it starts with “wu”, short for “Windows Update”) so I always go into c:\\windows\\system32 and type “wu” followed by a couple of TAB<\/code>s).<\/p>\n\/showWindowsUpdate<\/code> and \/showWUAutoScan<\/code> return an error on Server Core – possibly because the UI doesn’t exist.<\/p>\n\/detectNow<\/code>.<\/p>\n\/r \/ReportNow<\/code>.<\/p>\nc:\\Windows\\WindowsUpdate.log<\/code>. It’s a useful file. For instance, after I applied a policy to change all my domain servers to point to the new WSUS server I could browse this log file to see the results. I could also see on my Server Core installs an error along these lines: “Can not perform non-interactive scan if AU is interactive-only”. This error is because I had set the Windows Update GPOs to be interactive but Server Core didn’t have a GUI for interactive operations.<\/p>\nc:\\Windows\\System32\\en-US<\/code> – called WUA_SearchDownloadInstall.vbs<\/code>. So one could really run a command like this on Server Core:<\/p>\ncscript.exe c:\\Windows\\System32\\en-US\\WUA_SearchDownloadInstall.vbs<\/pre>\n