I use Connect Wise Control to support 25-50 client sites and about 100 users. They use a specific accounting system called Passport Software and other software products. I like that CWC provides instantaneous connectivity, easy and flexible installation, and convenient account management. I have used other remote connection products in the past, and this has been the best so far. It is very competitively priced and handles all of my remote support needs. Data transfer does not seem to be quite as prompt as other products but is still pretty good. I would recommend it to any hardware or software support professional.