Unable to Edit an instance under a created Managed Instance group. The message asks me to "remove from group" and when I do that, it creates a new instance (due to the autoscaling rule/config). Please help!
The interface of GCP Console has changed a bit, and you can no longer add tags to instances in a managed group directly.
However you can still do that with
gcloud command. Check out this:
gcloud compute instances add-tags