To customize an administrator-defined scan for clients that run on Windows computers

1. In the console, open a Virus and Spyware Protection policy.

2. Under Windows Settings, click Administrator-defined scans.

3. Do one of the following actions:

   • Under Scheduled Scans, select the scheduled scan that you want to customize, or create a new scheduled scan.

   • Under Administrator On-demand Scan, click Edit.

4. On the Scan Details tab, select Advanced Scanning Options.

5. On the Compressed Files tab, you can reduce the number of levels to scan compressed files. If you reduce the number of levels, you might improve client computer performance.

6. On the Tuning tab, change the tuning level for the best client computer performance or the best scan performance.

7. Click OK.

8. On the Insight Lookup tab, change any of the settings to adjust how Insight Lookup handles reputation detections. The settings are similar to the settings for Download Insight.

9. For scheduled scans only, on the Schedule tab, set any of the following options:

   • Scan Duration

     You can set how long the scan runs before it pauses and waits until the client computer is idle. You can also randomize scan start time.

   • Missed Scheduled Scans

     You can specify a retry interval for missed scans.

10. On the Actions tab, change any detection actions.

    See Changing the action that Symantec Endpoint Protection takes when it makes a detection.

11. On the Notifications tab, enable or disable a notification that appears on client computers when the scan makes a detection.

    See Managing the virus and spyware notifications that appear on client computers.

12. Click OK.