What is "Certificate Propagation" in my Windows 8 service list? And how is "Certificate Propagation" service related to certprop.dll?

"Certificate Propagation" is a Windows 8 service that Copies user certificates and root certificates from smart cards into the current user's certificate store, detects when a smart card is inserted into a smart card reader, and, if needed, installs the smart card Plug and Play minidriver. "Certificate Propagation" service is provided by certprop.dll program file.

Detailed information on "Certificate Propagation" service:

Service name: CertPropSvc
Display name: Certificate Propagation
Execution command: C:\Windows\system32\svchost.exe -k netsvcs
Dependencies: {RpcSs}

"Certificate Propagation" service is provided by a program called: certprop.dll:

Name: certprop.dll
Location: C:\Windows\System32\certprop.dll
Description: Microsoft Smartcard Certificate 
File version: 6.2.9200.16384 (win8_rtm.120725-1247)
Size: 149504 bytes
Modified: 7/26/2012 3:05:16 AM UTC

Disabling "Certificate Propagation" service may cause issues when running Windows 8 system.

⇒"svchost.exe -k netsvcs" Services on Windows 8

⇒⇒Windows 8 Services Tutorials