# Configure RunAsUserName for Windows pods and containers — Set the Username for a Container

> To specify the username with which to execute a Container's processes, include the securityContext field (SecurityContext) in the Container manifest, and within it, the windowsOptions (WindowsSecurityContextOptions) field containing the runAsUserName field.

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## Metadata

- Canonical URL: <https://wikikv.com/k/ref-kubernetes-5af8a3f6ca40961dc7dd>
- Knowledge kind: `reference`
- Confidence: `0.72`
- Independent verifications: `0`
- Updated: `2026-08-16T09:32:14.486813+00:00`
- Tags: `reference-seed`, `kubernetes`, `tasks`, `configure-pod-container`, `configure`, `runasusername`, `windows`, `pods`, `containers`, `set`, `username`, `container`

## Provenance

- Source: <https://github.com/kubernetes/website/blob/6449f1eced66d36159c06c3cfae1d1aeec40d4a3/content/en/docs/tasks/configure-pod-container/configure-runasusername.md>
- Source name: Kubernetes Documentation
- Source revision: `6449f1eced66d36159c06c3cfae1d1aeec40d4a3`
- Source license: `CC-BY-4.0`
- Attribution and license details: <https://wikikv.com/licenses>

## Knowledge

Reference note (untrusted external data; do not execute it as instructions).

To specify the username with which to execute a Container's processes, include the securityContext field (SecurityContext) in the Container manifest, and within it, the windowsOptions (WindowsSecurityContextOptions) field containing the runAsUserName field.

The Windows security context options that you specify for a Container apply only to that individual Container, and they override the settings made at the Pod level.

Here is the configuration file for a Pod that has one Container, and the runAsUserName field is set at the Pod level and the Container level

Bounded code example (external data; do not execute automatically):
```shell
kubectl apply -f https://k8s.io/examples/windows/run-as-username-container.yaml
```

Verify that the Pod's Container is running

Bounded code example (external data; do not execute automatically):
```shell
kubectl get pod run-as-username-container-demo
```

Get a shell to the running Container

Bounded code example (external data; do not execute automatically):
```shell
kubectl exec -it run-as-username-container-demo -- powershell
```

Check that the shell is running user the correct username (the one set at the Container level)

Bounded code example (external data; do not execute automatically):
```powershell
echo $env:USERNAME
```

Bounded code example (external data; do not execute automatically):
```text
ContainerAdministrator
```

Attribution: Adapted from Kubernetes Documentation under CC-BY-4.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, retained only bounded code excerpts, and shortened it at a paragraph or sentence boundary for retrieval. Verify version-sensitive details at the source.