Microsoft could not update the system reserve partition. Can remote support fix this problem?

Hi Beth Lancaster,

Welcome to Microsoft Q&A!

The error you're seeing usually happens during a Windows Update, specifying that the System Reserved Partition doesn’t have enough free space for the update to proceed. Since you mentioned you're afraid of making a mistake, you can request help from Microsoft:

1 - If you're on Windows 11:

• Open Settings > System > Troubleshoot > Other troubleshooters > click Run to Windows Update.
• Choose the options in the window to describe your issue and let it run the automated diagnostic:
  • If it runs successfully, check if the issue is gone.
  • If it's failed to run, click Yes to Would you like to talk to agent?
• Then click the Contact Support button to connect to support chat

2 - If you're on an older version (or want a different way of contact)

• Visit Contact Us - Microsoft Support > Sign in  
• Search for your problems > Click Get Help button 
• Explicitly mention live support/call session if needed

Note: The support contact team only works at certain times, so if the last window shows that it's unavailable, try opening it again the next day. If you prefer phone support, you can leave a phone number. This way, they can call you and help you. 

Microsoft actually released the official solution for reserved partition error here: “We couldn’t update system reserved partition” error installing Windows 10 - Microsoft Support. The steps are easy to follow, and some users mentioned that it also works on Windows 11 if you still want to try.

Another better option would be to use a third-party tool like AOMEI or Partition Wizard to expand the partition size permanently, which means you likely won't face this in the future. However, you prioritize the safest solution, so I recommend contacting Microsoft Support directly!

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Hi Beth Lancaster, how's it going?

Have you had the time to check the information above? Let me know if you have any questions!

Hi Beth Lancaster, since there haven't been any responses, I'm resting this thread for now. If you still need help, feel free to post a reply with updated details.