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When adding an instance, the cloud details are optional. User can choose not to add these. If they do not specify the cloud account details, the following metrics cannot be retrieved
starting from line number 56 to 67 in this doc:
https://docs.google.com/spreadsheets/d/1BmIdiQ0X9ebjLIQN7SLMJxbqn_QNeKy4szHl71oDrcc/edit?ts=5bb269f8#gid=0
Sql server login in is mandatory when registering an instance
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