This fixlet requires precaching of -> en_windows_10_business_editions_version_20h2_updated_nov_2020_x64_dvd_e5d7759b.iso sha1=1B1BD78704E5B0476490DCB85EC6187AB2DE7EA4
however there is a bug in the old release that prevents you from upgrading which has been fixed by microsoft it however requires an other iso
As of January 7, 2020, this issue is now resolved and the safeguard hold has been removed when devices are using the latest feature update bundles and refreshed media. Please note, if there are no other safeguards that affect your device, it can take up to 48 hours before you will be able to the update to Windows 10, version 2004 or Windows 10, version 20H2.
Feature update bundles released December 3, 2020 or later will resolve this issue when deploying via Windows Server Update Services (WSUS) and Microsoft Endpoint Configuration Manager. Refreshed media was released December 3, 2020 on Visual Studio Subscriptions (VSS, formerly MSDN Subscriptions) and December 7, 2020 on Volume Licensing Service Center (VLSC). For information on verifying you’re using the refreshed media, see How to address feature update refreshes in your environment. If you are using or creating custom media, you will need to include an update released November 17, 2020 or later.
Note Devices using Windows Update for Business or that connect directly to Windows Update should receive the latest Windows Setup from Windows Update without any extra steps.