# Windows Server Evaluation Rearm Windows Server Evaluations are valid for 180 days. After that period, the server will need to be rearmed a few times. This is useful for testing purposes, and extending the evaluation period for additional 180 days. ## View Windows Server Evaluation Status ```powershell slmgr /dlv ``` ## Rearm Windows Server Evaluation ```powershell slmgr /rearm ``` Confirm the rearm was successful by running `slmgr /dlv` again.