User Profile Service Application

http://technet.microsoft.com/en-us/library/ff607570.aspx

http://www.mysharepointadventures.com/2012/01/user-profile-service-stuck-on-starting/

http://david-martos.blogspot.com/2011/05/el-servicio-de-sincronizacion-de.html

Detener el servicio

Get-SPServiceInstance | where { $_.typename -eq "user profile synchronization service" }
stop-spserviceinstance -ID 453da6ce-5497-45d1-a624-bef1c9901c76


Permisos

http://technet.microsoft.com/en-us/library/hh296982.aspx