> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/continuous-delivery/troubleshooting-and-resources/armory/general/when-deploying-ecs-subnets-and-vpc-will-not-populate-in-the-ui.md).

# When deploying ECS, Subnets and VPC will not populate in the UI

### Issue <a href="#issue" id="issue"></a>

An organization using ECS as a deployment target may run into an issue where, when creating a deployment, the Subnets and Load Balancers defined will not populate in the drop-down menus of Spinnaker.

### Cause <a href="#cause" id="cause"></a>

There is a known issue with ECS populating Subnet and Load Balancer information upon the creation of a deployment. This issue is due to a bug. Armory is looking into this issue and will update this article and release notes when a fix is completed.