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In the wsus server, open IIS, select the "wsus" service, click mime type, modify or add ".esd"

Filename extension: .esdMime type: application/octet-stream

Windows server 2016 wsus IIS mime type:

The content of .esd is "application/vnd.ms-cab-compressed" that needs to be modified, otherwise it will prompt that the resource cannot be found

Clients that need to upgrade import the registry, or you can use GPMC to issue Group Policy imports.

For win7 clients, you need to allow OSupdate, as shown in the registry:

Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ Windows\ CurrentVersion\ WindowsUpdate\ OSUpgrade] "Refresh" = dword:00000001 "AllowOSUpgrade" = dword: 00000001 [HKEY _ LOCAL_MACHINE\ SOFTWARE\ Microsoft\ Windows\ CurrentVersion\ WindowsUpdate\ OSUpgrade\ State] "OSUpgradeState" = dword:00000001 "OSUpgradeStateTimeStamp" = "2016-01-02 03:40:44" Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\ SOFTWARE\ Policies\ Microsoft\ Windows\ WindowsUpdate] "WUServer" = "http://172.20.156." 34Rom 8530 "" WUStatusServer "=" http://172.20.156.34:8530""DisableOSUpgrade"=dword:00000000"DeferUpgrade"=dword:00000000"RequireDeferUpgrade"=dword:00000000[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU]"NoAutoUpdate"=dword:00000000"AUOptions"=dword:00000004"ScheduledInstallDay"=dword:00000000"ScheduledInstallTime"=dword:00000001"UseWUServer"=dword:00000001 is configured successfully and the upgrade prompt can be seen in the windows update interface. Click "start installation" to automatically upgrade the installation, which retains the application and personal data.

To upgrade from win7 to win10 through WSUS, you need to reactivate win10. You can install the win10 key "slmgr / ipk key" by deploying kms activation or group policy batch processing

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