Download DcDiag.exe: Domain Controller Diagnostic Tool from Official Microsoft Download Center

The new Surface Laptop 3 back to back

Surface Laptop 3

The perfect everyday laptop is now even faster

Person using Power BI Desktop

Power BI

Transform data into actionable insights with dashboards and reports

DcDiag.exe: Domain Controller Diagnostic Tool

Important! Selecting a language below will dynamically change the complete page content to that language.

Language:
English
Analyzes the state of domain controllers in a forest or enterprise to assist in troublshooting.