Use below steps I'm sure it would be helpful.
Verify VNet Integration in ADF
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Create a Managed Virtual Network (optional):**
- If your ADF instance needs to be part of a specific network, you can create a Managed Virtual Network within ADF.
- Navigate to your Data Factory instance in the Azure portal.
- Go to Author & Monitor.
- Under the Manage tab, select Managed private endpoint.
- Create a new managed private endpoint for Snowflake.
- Under the Manage tab, select Managed private endpoint.
- Go to Author & Monitor.
- Navigate to your Data Factory instance in the Azure portal.
Configure ADF to Use VNet:
- In your Data Factory, navigate to Manage and then Linked services.
- Edit or create a new linked service for Snowflake.
- Under Network, select Integration Runtime that supports Virtual Network.
- Ensure the Integration Runtime is associated with your desired VNet.