As a business grows and changes over time it will, albeit unwittingly, create a serious of potentially critical areas within its IT networks of computers and other devices. Eventually and almost inevitably some small conflict within the network will cause a failure of some sort. When that failure happens the first instinctive reaction is to try to fix it internally. When that fails the next thought is to ask around for qualified help.
With luck someone will be able to recommend an IT support house that should be able to address the relevant issue(s).