Microsoft Data Access - Built-In Diagnostics

msdadiag.dll. What is it?

The msdadiag.dll is a Microsoft Data Access - Built-In Diagnostics. Sometimes it’s called Built-In Diagnostics.

This file is part of Microsoft® Windows® Operating System. Msdadiag.dll is developed by Microsoft Corporation. It’s a system and hidden file. Msdadiag.dll is usually located in the %SYSTEM% folder and its usual size is 118,784 bytes.


Msdadiag.dll creates new records and folders in the Windows registry. Check your system performance to eliminate possible application conflicts and system failures. Scan your PC for msdadiag.dll-related conflicts (Special offer. See more information about Outbyte, uninstall instructions, EULA and Privacy Policy)


Malware risk: Scan your PC for viruses and Trojans
Some viruses infect computers while disguised in the form of legitimate files, like msdadiag.dll. Run an antivirus scan to ensure your PC is clean and safe.
Registry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)


Author: Microsoft CorporationProcess: Microsoft Data Access - Built-In DiagnosticsPart Of: Microsoft® Windows® Operating SystemCommon path(s): %SYSTEM%
subfolder in %SYSTEM%
subfolder in %WINDOWS%
Keywords(s): systemFilesize(s): 118,784 bytes, 163,840 bytes, 154,624 bytes, 159,744 bytes

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