What is "Security Accounts Manager" in my Windows 8 service list? And how is "Security Accounts Manager" service related to lsass.exe?

"Security Accounts Manager" is a Windows 8 service. The startup of this service signals other services that the Security Accounts Manager (SAM) is ready to accept requests. Disabling this service will prevent other services in the system from being notified when the SAM is ready, which may in turn cause those services to fail to start correctly. This service should not be disabled. "Security Accounts Manager" service is provided by lsass.exe program file.

Detailed information on "Security Accounts Manager" service:

Service name: SamSs
Display name: Security Accounts Manager
Execution command: C:\Windows\system32\lsass.exe
Dependencies: {RPCSS}

"Security Accounts Manager" service is provided by a program called: lsass.exe:

Name: samsrv.dll
Location: C:\Windows\system32\samsrv.dll
Description: SAM Server DLL
File version: 6.2.9200.16628
Size: 729,600 bytes
Modified: Saturday, ‎June ‎1, ‎2013, ‏‎5:21:39 AM

Disabling "Security Accounts Manager" service may cause issues when running Windows 8 system.

⇒"lsass.exe" Services on Windows 8

⇒⇒Windows 8 Services Tutorials