We have also made some changes to the way we license OMS and the pricing bundles. A further change is that we now also require the OMS workspaces to be linked to an Azure subscription. As a result, if you have been using a Free-Tier of OMS, when you now attempt to access your workspace, you will be presented with the following screenshot:
If you want to continue to us your OMS workspace, you will now need to link it to an Azure subscription. You can use this dialog box to create a free trial subscription. If you no longer want to use the workspace and would like to close it and delete all of your workspace data, then select CLOSE WORKSPACE.