Safe to Delete

DISM Servicing Log (C:\Windows\Logs\DISM\dism.log)

Space: 100 MB – 2 GB logs Windows
Quick Answer: The dism.log file logs component store repair and Windows image servicing operations. Deleting it is completely safe.

Bottom Line: It is 100% safe to delete dism.log. It is purely a text diagnostic log file created during DISM repair operations.

What is the DISM Log File?

Located at C:\Windows\Logs\DISM\dism.log, this file records operation details whenever you run commands like dism /online /cleanup-image /restorehealth or install Windows feature updates.

Can You Delete dism.log?

✅ Yes, safe to delete.

  • Zero System Impact: DISM creates a fresh log file the next time a servicing operation executes.
  • Space Recovery: Prevents long-running text logs from accumulating over years of Windows updates.

How to Delete dism.log

Command Prompt (Admin)

del /f /q C:\Windows\Logs\DISM\dism.log

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