Tag Archives: PsTools

OpenService FAILED 5: Access is denied. — “Oh crap!” If you ever see this error and need to reset the DACL on a Windows service, let’s say in case you (or someone else) accidentally deletes it, or configure it to something that prevents you from reading it’s security settings, this might do the trick: First of all, get a cup of coffee. Download PsExec (a tool in PsTools), which among other things allow you  to run commands as the “local system” account. Find out what the real name of the service is by looking in the following registry key: HKLMSYSTEMCurrentControlSetServices The real name (not the display name) of the service is the name of the key itself. Start a Command Prompt (cmd) window as administrator. Start a new cmd session as the system account: PsExec.exe /s cmd Now it’s time to set a new DACL, this is done by using the command “sc sdset”…

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