The error code 0x8024200B that you are facing while installing an update is usually caused by problems with Windows Update components, including sometimes an issue with a non-configured Windows Recovery Environment (WinRE) partition. Since you pointed out that the server does not have any configured WinRE partition, this likely sets us in another direction to find the resolution. Here are steps you can perform that should troubleshoot and hopefully resolve the issue with the installation update:
Check all the Windows Update services are running fine. To do that, open a Command Prompt with admin privilege and execute following commands:
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
Windows has an in-built update troubleshooter that identifies most of the issues commonly found and solves the issue automatically. This can be accessed under the following steps
Settings > Update & Security > Troubleshoot > Additional troubleshooters.
Choose Windows Update and run the troubleshooter.
Corrupt update cache can cause installations to go wrong. You can clean the content from it by:
Stopping the services Windows Update:
shell
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
Deleting the contents of the SoftwareDistribution folder:
shell
del %windir%\SoftwareDistribution\DataStore\* /s /q
del %windir%\SoftwareDistribution\Download\* /s /q
Start the Windows Update services:
shell
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
Inadequate disk space is another reason why the update may fail. Ensure that the server has ample free space on the system drive. Provide the system drive with enough free space at least 20 GB or more i aint sure so updates can be installed appropriately.
If the above steps don't fix the issue, manually download and install the guilty update, KB5034439, from the Microsoft Update Catalog. This might bypass some of the problems associated with Windows Update.
Even though you specified that the server does not have the WinRE partition configured, you might want to check if this somehow causes interference with the upgrade process:
Open an elevated Command Prompt and execute the following command to check the current WinRE configuration status.
shell
reagentc status
If WinRE is disabled then you can re-enable it using the following command.
shell
reagentc enable
Corrupted system files can also stop updates from installing. Run SFC and DISM together to scan for corrupted files and replace them.
Open an elevated Command Prompt and run:
shell
sfc /scannow
When SFC is done, run:
shell
DISM /Online /Cleanup-Image /RestoreHealth
If the issue continues, you should check Windows Update logs to see if there is any specific error message that may be helpful to the problem encountered. Here is a command where you can generate a log:
shell
Get-WindowsUpdateLog
Conclusion
Follow these steps to potentially troubleshoot and resolve your Windows Update failure related to error 0x8024200B. If it persists, you could then consider getting assistance from Microsoft Support, since they may have specific information related to your environment and can possibly provide direct insight.