All data that is in any way critical to your company should be backed up. It is your challenge as backup administrator to define how critical or important a specific company service that uses a Windows workload is.
The initial step starts with classifying your company data. The classification is the first building block that will become your restore plan or SLA. The more accurate the classification task, the more effective the restore scenarios will be in real-world situations.
Classification of data
The most important part of the work is to always verify the services that the data represents has for the company. This might mean that you need to talk to the programmer that has developed that special application, the end ...