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Manual Scan Timed Out

Last Updated On: 27 Sep 2026|
3 minutes read |

Problem

A manually initiated patch scan displays the error Scanning Timed Out.

Cause

  • The server firewall blocks data.
  • Computers in remote offices are switched off or the agent service is not running.
  • Multiple IP addresses are enabled on the server computer.
  • UAC and Remote UAC are enabled on Windows computers in a workgroup.

Resolution

  1. Check firewall ports: Add ports 8383 and 8027 to the server firewall exception list. Port 8383 is used for agent-server communication and console access. Port 8027 is used for on-demand tasks, including patch scanning.
  2. Check remote-office computers: Ensure that the computers are switched on during the scan and that the Patch Manager Plus agent service is running.
  3. Check server IP addresses: If the server computer has multiple IP addresses from virtual adapters or multiple network adapters, disable the unused virtual adapters.
Important
The following UAC and Remote UAC changes apply only to computers in a workgroup. Setting UAC to Never Notify or changing LocalAccountTokenFilterPolicy reduces Windows security protections. Try the firewall, reachability, service, and multiple-IP checks first, and obtain security or change approval before applying these settings.

Disable UAC on workgroup computers

  1. Open Start → Settings → Control Panel → User Accounts.
  2. Open User Account Control Settings, move the slider to Never Notify, and click OK.

Disable Remote UAC on workgroup computers

  1. Open Start → Run, enter regedit, and click OK.
  2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System.
  3. Create or modify the DWORD value LocalAccountTokenFilterPolicy, set its value data to 1, and click OK.

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