Symptoms
- You have created a Backup scanning plan
- After running the Backup scanning plan, it fails with "cause": "Failed to scan volume. Some error in AV scan callback" and "effect": "Failed to scan volume. Some error in AV scan callback"
Cause
A proxy server is possibly blocking the communication of the two processes.
Solution
- Check if your machine has proxy configuration set via
netsh
:
- Open Elevated Command prompt: Start -> in search, type cmd -> right-click cmd.exe and select Run as administrator.
- Run commands:
netsh
winhttp
show proxy
- If proxy settings are not set on the network host / Operating System level you'll receive message:
Current WinHTTP proxy settings: Direct access (no proxy server):
2. Import proxy setting for network host via netsh
as follows:
- Run command: import proxy source=ie
- Updated proxy server will be displayed like this:
3. Reboot the host and run the Backup scanning plan.