Windows clusters do not share the same feature support as Linux clusters.

The following chart describes the feature parity between Windows and Linux on Rancher:

Component Linux Windows
Distributions
RKE Supported Supported
RKE2 Supported Tenatively Planned For 2.6.x
K3S Supported Not Supported
EKS Supported Not Supported
GKE Supported Not Supported
AKS Supported Not Supported
Rancher Components
Server Supported Not Supported
Agent Supported Supported
Fleet Supported Supported
EKS Operator Supported Not Supported
AKS Operator Not Supported Not Supported
GKE Operator Not Supported Not Supported
Alerting v1 Supported Supported
Monitoring v1 Supported Supported
Logging v1 Supported Supported
Monitoring/Alerting v2 Supported Supported
Logging v2 Supported Supported
Istio Supported Not Supported
Catalog v1 Supported Not Supported
Catalog v2 Supported Not Supported
OPA Supported Not Supported
Longhorn Supported Not Supported
CIS Scans Supported Not Supported
Backup/Restore Operator Supported Not Supported
CNI / Add-ons
Flannel Supported Supported
Canal Supported Not Supported
Calico Supported Tentatively Planned for 2.6.x
Cilium Supported Not Supported
Multus Supported Not Supported
Traefik Supported Not Supported
NGINX Ingress Supported Not Supported

For updated information on feature support, you may visit rancher/windows on GitHub.