: If a service fails to start due to "Access Denied" errors, AccessChk can verify if the service account has the necessary permissions to its own binary or registry configuration. Common AccessChk Commands Command Example Check service permissions accesschk -uwcqv "Users" * Audit a specific folder accesschk -d "C:\SensitiveData" View Registry key access accesschk -k "HKEY_LOCAL_MACHINE\Software" Check write access to files accesschk -w "Power Users" C:\Windows
The safest and most reliable place to download AccessChk is directly from the official Microsoft Sysinternals website. This ensures you are receiving the latest version (currently v6.15 as of late 2023) without the risk of bundled malware often found on third-party mirror sites. You have three primary methods for obtaining the tool: download accesschk
If you'd like to dive deeper into specific use cases, would you prefer to see: for auditing registry keys? A guide on using AccessChk for security hardening ? How to export findings to a CSV for reporting? : If a service fails to start due
: For convenience, many administrators copy accesschk64.exe to C:\Windows\System32 so it can be called from any command prompt without navigating to a specific folder. You have three primary methods for obtaining the
If you need to deploy AccessChk across multiple servers, you can use PowerShell to automate the download and extraction process. Use the Invoke-WebRequest command to fetch the tool programmatically: powershell
: Unlike standard Windows UI tools, AccessChk can quickly scan Registry keys, files, and even Global Objects to see exactly what "Authenticated Users" or "Everyone" can modify.
: Security researchers use it to find "weak" service permissions where a low-privileged user might have "Write" access to a service executable, a common vector for privilege escalation .