In dependence of the operation type and used solutions, it is necessary or advisable to choose appropriate HW and SW support. It concerns high quality hot-line, on-site and off-site services. Not all service organization are able to provide 24/7 services with appropriate availability in required time. Servis reaction time could be affected by a locality of usage. In any case, service requirements should be adjusted to the client needs. An important part in professional service is correct processes organization, trained stuff and quality ware house facilities.