Recovery Drive Full in Windows 10 – How to Extend Securely?

July 23, 2018

Looking for a way to fix Recovery drive full problem in Windows 10? You can learn to resize Windows 10 recovery partition safely step by step below.

Windows 10 Recovery Partition out of space

“So I updated my Windows 10 to the Spring Update 1803, and I get a new partition. Windows keeps prompting me that the ‘partition G:\’ is full. I checked that partition which is a 450MB drive with 400MB in use. I can see there is G:\Recovery\WindowsRE\Winre.wim inside the drive with the help of disk cleanup. It seems like a Recovery Partition. Can I remove it? If not, how can I increase the partition space? I just don’t want to see the prompting any more. Help!”

It is a help post on Recovery Drive is full in Windows 10. Sometimes, the drive letter changes to D drive and the problem becomes “Low disk space on Recovery D drive”. That is not a common problem of low disk space on existing primary partitions or logical drives, so normal fixes may not help. One of the evidences is that Windows will not recommend you to remove it.

Then, what is the Recovery partition and how come you get it? What can you do about that drive? Everything about the Windows 10 450MB Recovery partition will be introduced in the next part.

About the Recovery Drive in your Windows 10

When you install Windows 10 on a GPT disk, you’ll get a Recovery Partition (System Reserved Partition on MBR disk) and an EFI system partition without a drive letter. The Recovery Partition size is about 450MB or 500MB for Windows 10 (200MB for Windows 8/8.1 and 100MB for Windows 7).

Recovery partition, as its name implies, allows you to recovery Windows OS to a certain state. So to some extent, it does no harm to system booting to delete it. The partition will be created after a system upgrading like Windows 7 to Windows 8/8.1/10 or a simply updating. There is no wonder multiple Recovery partitions in Windows 10 have been created.

By default, Recovery drive is hidden and cannot be accessed in Windows Explorer. So the problem in the example is a specific issue about that update. It can be fixed by removing drive letter of the partition. Also, you can disable low disk space check in Registry Editor, see low disk space prompting fix for detailed steps.

In some cases, the Recovery drive in the way of extending C drive when it next to C drive from the right side. In that case, you need to move Windows 10 Recovery partition to another location and make room for unallocated space.

In a nutshell, the Windows 10 Recovery drive can be deleted, recreated and moved. You can get more information on recovery partition after upgrading to Windows 10.

How to fix low disk space in Recovery drive for Windows 10 securely?

There are two ways in total to fix Windows 10 450MB Recovery partition full in different situations. Let’s get to know them one by one.

Remove drive letter for Windows 10 Recovery drive

If you get the low space warning as the user in the example, you can try to remove its drive letter to skip Windows checking.

1. Run Diskpart.exe as administrator.

2. Input following commands successively.

  • list volume (identify the Recovery drive with partition size)

  • select volume X (replace the drive letter with the correct one)

  • remove letter=X

3. Close Command Prompt and restart your Windows 10 to take effect.

Some Recovery drive becomes full day by day, chances are that the drive is occupying by some programs (usually Windows Backup) and the files (System Images) are producing constantly. Just check what inside of the drive and stop the program. Otherwise, you can resize Windows 10 Recovery partition for that purpose.

Extend Recovery partition in Windows 10 step by step

You can fix Windows 10 Recovery partition too small by extending space in Disk Management or Diskpart if there happen to an unallocated space adjacent. If the unallocated space is not contiguous or there is even no unallocated space, you’ll need the help of AOMEI Partition Assistant Standard, free partition manager for Windows 10.

The free partition tool allows you to merge unallocated space or free space to Recovery drive, regardless of the location of the unallocated space. If there is no free space, you can shrink a redundant partition to generate. It has user-friendly interface which is suitable for all level users. Free download to have a try.

1. Install and launch AOMEI Partition Assistant Standard on your Windows 10. Right click the redundant partition and select Resize Partition.

Shrink Partition

2. You can resize it from the left side in the pop-up window, or enter the specific size.

Resize from the left

3. Right click the Recovery partition that is about to full and select Resize Partition again in the menu.

Resize Recovery Drive

4. In the pop-up window, drag the Recovery drive to fulfill the free space in the right side or you can enter the specific size, and then click OK.

Extend Recovery Partition Windows 10

5. Click Apply and then Proceed to execute the operations.

Proceed Extending

Note:

Summary

When you find Recovery drive full in Windows 10, you have two solutions for corresponding situations, remove drive letter of Recovery drive and make it hidden, and extend the Recovery drive to contain more files. AOMEI Partition Assistant also helps you copy Recovery partition to USB drive if the need ever arises.