Hi Xiaobin Zhu,
Welcome to the Microsoft Q&A Platform! Thank you for asking your question here.
From the information you provided we understand that you are facing an issue while moving container instances from one subscription to a new subscription.
The resource and its dependent resources must be located in the same resource group, and they must be moved together.
Please follow these: Scenario for move across subscriptions
- If dependent resources are distributed across different resource groups, first move them into one resource group.
- Move the resource and dependent resources together from the source subscription to the target subscription.
- Optionally, redistribute the dependent resources to different resource groups within the target subscription.
If you have any further queries, do let us know.
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