Delivery Optimization Logs (DOSVC Logs)

Bottom Line: It is 100% safe to delete DOSVC logs. Deleting these logs will not affect your ability to download Windows Updates or Microsoft Store apps.

What are DOSVC Logs?

Located at C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\Logs, DOSVC logs are created by the Delivery Optimization service (dosvc).

Delivery Optimization is a Windows 10/11 feature that lets your PC download Windows updates and Microsoft Store apps from other local PCs on your network (peer-to-peer). The dosvc service continuously logs peer connection stats, bandwidth usage, and transfer logs into this directory.

Can You Delete DOSVC Logs?

✅ Yes, it is completely safe to delete.

• No system risk: DOSVC files are diagnostic text logs.
• Frees space: On systems where Delivery Optimization gets stuck, log files can accumulate up to 5 GB of wasted space.

How to Safely Clean Up DOSVC Logs

Method 1: Using Windows Disk Cleanup (Recommended)

1. Open Start, search Disk Cleanup, and run it as Administrator.
2. Select C: drive and click Clean up system files.
3. Check Delivery Optimization Files.
4. Click OK > Delete Files.

Method 2: Manual Deletion via Command Prompt (Admin)

1. Open Start, search cmd, right-click Command Prompt, and select Run as administrator.
2. Stop the Delivery Optimization service:

   net stop dosvc

3. Delete the log files:

   del /f /q C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\Logs\*.*

4. Restart the service:

   net start dosvc

Related Guides

• Learn about cleaning Delivery Optimization Files.
• How to clean up SoftwareDistribution Folder.
• Check if you can clean CBS.log files.