Event ID 1026 — Subsystem for UNIX-based Applications Availability

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Applies To: Windows Server 2008 R2

Subsystem for UNIX-based Applications (SUA) Availability is a measure of SUA's readiness to support POSIX applications and scripts.

Event Details

Product: Windows Subsystem for UNIX-based Applications
ID: 1026
Source: Microsoft-Windows-SUA-Psxss
Version: 6.0
Symbolic Name: PSX_SUA_RUN_IN_SAFE_MODE
Message: Subsystem for UNIX-based Applications was started in Safe Mode. This functionality in not available in Safe Mode.

Resolve

Restart the computer normally (not in Safe Mode)

Subsystem for UNIX-based Applications (SUA) cannot operate when your Windows operating system is running in Safe Mode. Restart Windows in normal operating mode to run SUA.

To restart the computer:

  • Click Start, click the arrow next to the Lock button, and then click Restart.

Verify

Verify that the Subsystem for UNIX-based Applications (SUA) Psxss.exe utility is available by viewing Psxss.exe in the Windows Task Manager.

To verify that Psxss.exe is running:

  1. Open Windows Task Manager by pressing CTRL+ALT+DEL, and then clicking Task Manager.
  2. On the Processes tab, select the Show processes from all users check box.
  3. Verify that PSXSS.exe is running.

If PSXSS.exe is not running, Subsystem for UNIX-based Applications (SUA) is not available.

Subsystem for UNIX-based Applications Availability

Subsystem for UNIX-based Applications