By Ivy / Last update October 19, 2020

The Error: Check Backup Disk Space

If you get the following error message in your Windows 7 computer:

Check backup disk space

The disk that your backup is saved on doesnt have enough free space. Click to mange backup disk space.

Check Backup Disk Space

It’s urgent for you to fix Windows 7 backup disk full. The best way to fix it is free up space on your hard disk. But how to do exactly?

How to Fix Windows 7 Backup Disk Full?

In fact, if you created a system image on regular basis with the Windows 7 Backup and Restore software, this backup software will automatically manage backup disk space for you.

The Windows 7 backup and restore stores the system images files in the shadow copy storage area on the backup disk. When the shadow copy area (the maximum of 30% of the backup disk storage) filled up the system images, It will automatically delete the oldest backups to store the latest backup files.

However, if you keep creating one time backup jobs, the old backups will not get deleted automatically, so you will get the backup disk full error. Now you have to delete old backups manually according to the following instructions.

There are different ways to fix Windows 7 backup disk full, let’s find out:

Way 1: Manage Space Manually with Backup and Restore

If you get the above error message, just click it to manage backup disk space. And it will bring you to the Manage Windows Backup Disk Space window.

Manage Disk Space

To delete old backups, you could do the following:

Click View backups... at the Data file backup section, choose the backup file > Delete.

Delete Data File Backup

Or click Change settings... at the System image section, Tick Retain only the most recent system image created on ..., and click OK.

Delete System Images

Way 2. Delete Files with Cleanup

1. Type disk cleanup in Windows 7 search box, and hit Enter.

2. Choose the backup drive, and hit OK. Tick the recycle bin, downloaded program files, temporary internet files, etc. To free up space.

3. Tap Clean up system files button, and choose the drive, click OK.

4. Click Clean up... at the System Restore and Shadow Copies section in More Options tab,

Disk Cleanup Delete Shadow Copies

5. Press Delete to delete old shadow copies except for the latest one.

After free up space, you could create new backups in your backup disk.

However, every time you get the Windows 7 backup disk full error, you have to manually delete old backup images to free up space, is there any automatic way to avoid Windows backup disk full error?

Flexible Way to Fix Windows Backup Disk Full

There is a powerful Windows backup software - AOMEI Backupper Professional, designed for Windows 10/8.1/8/7/Vista/XP, is able to delete old backups automatically when backups exceed the number you specified while create the backup task. Use the backup software to manage disk space will help you avoid Windows 7 backup disk full error, Windows 10 backup disk full error.

Download Free Trial Win 10/8.1/8/7/XP
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How to Set up Automatically Manage Disk Space in Windows 10/8/7?

We will take create a system image in Windows 10 for example, here is the detailed steps:

Step 1. Perform AOMEI Backupper Professional, Select System Backup under Backup tab.

System Backup

Step 2. Rename the Task Name and choose a destination to save the Windows 10 system image file.

Select Backup Destination

Step 3. Click Schedule, choose Daily, Weekly, Monthly, Event triggers, or USB plug in in General tab, and click OK.

General Settings

Step 4. Tap Scheme > Enable Backup Scheme > Choose a backup scheme, and the number of backups you want to retain, click OK to avoid Windows backup disk full problem.

Backup Scheme

Step 5. Press Start Backup >> button to create a Windows 10 system backup on regular basis, and mange backup disk space automatically in Windows 10/8/7.

Start Backup

Options allows you comment on the system backup task, and compress, split, encrypt the backup image, enable email notification, use VSS, etc.
In the step 3, you could also create incremental or differential backups in Advanced tab to backup only changed files since the last (full) backup to save your backup disk space.

You could also create Windows 7 full backup to external hard drive to prevent the Windows 7 backup disk full issue.

The Epilogue

It’s cumbersome to fix Windows 7 backup disk full error by manually delete old backups. Try the best backup software for Windows - AOMEI Backupper Professional to help you automatically delete old backups while the backups over the number you specified.

Prepare another external hard drive to store backups also do the trick. Or you could try to clone disk to larger disk without reinstalling everything to transfer everything easily.

Try AOMEI Backupper Server if you are running Windows Server 2003, 2008, 2012, 2016, 2019, including R2, SBS 2003, 2008, 2011.

If you would like to manage backups for all clients within LAN from one central console, please try AOMEI Centralized Backupper.