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Siemens SIMATIC WinCC OA (PVSS — Process Visualization and Supervisory System) — Default Password

Default username and password for the Siemens SIMATIC WinCC OA (PVSS — Process Visualization and Supervisory System): root / (blank). Learn how to log in and how to change the default credentials.

Predefined 'root' account ships with an empty password by default. The root account cannot be deleted. All predefined users default to empty passwords. WinCC OA (Open Architecture, formerly PVSS) is a distinct product from SIMATIC WinCC 7.x.

UsernamePasswordAccessNotes
root
(blank / none)
Console

Responsible use

This database lists publicly documented default credentials so administrators can find and change them. Only use these on systems you own or are authorized to test.

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