Fix Error 0x80070070 Increase the Size of Windows Recovery

This updated guide explains how to Fix Error 0x80070070 Increase the Size of Windows Recovery through clear steps, practical examples, and important checks that help prevent common errors.

Windows creates a Windows recovery partition when you install it on a clean disk. When you have problem with Windows OS, you should be able to recover your system with the partition. On an MBR disk, the partition is called system reserved partition , while on a GPT disk, this partition is called EFI system partition or ESP .

When upgrading to Windows 10, the upgrade wizard is trying to copy files to the Windows recovery drive. If the recovery partition is full, the update will fail with error code 0x80070070 .

In this situation, the best resolution is to extend the Windows recovery partition via a third-partition software as Windows Disk Management cannot extend that partition.

You can refer to the following ways to fix error 0x80070070

Then how to increase the size of Windows recovery partition? Here, MiniTool Partition Wizard Professional Edition is highly recommended as it can extend recovery partition in just a few clicks. Now, let's see detailed steps.

Step 1. Follow the steps 1-9 in the last solution to launch MiniTool Partition Wizard Bootable Edition.

Step 2. Select the system reserved partition and choose the Extend Partition feature from the left.

Fix Error 0x80070070 Increase the Size of Windows Recovery example screenshot 1

The steps to extend Windows recovery partition is the same as extending C drive in Solution 3. You just need to follow the step-by-step instruction in MiniTool Partition Wizard and click Apply at last.

Note: You'd better not take free space from the system partition. If system partition is short of space, Windows 10 update may also fail with error code 0x80070070. Here the system partition is H according to the above picture.

FAQ

What is the easiest way to Fix Error 0x80070070 Increase the Size of Windows Recovery?

Start with the requirements in this guide, then follow each step in order. Check the result after every major change so problems are easier to identify.