Web services to copy data from remote machines

In our application we have logs for each process processsed by our system .For troubleshooting easily we move our logs to a common place.There are many remote machines (servers) which are different components.I want to create an appplication in .net which moves these logs to a common place and i want to insert them in database.How can i do that either i should use web services or windows services.help me on that