Prerequisite
- Check PowerEdge operating system support matrix Server Operating Systems | Dell US.
- Check if the ISO is known to be good and if able to deploy from other servers before.
- Operating system Driver pack version installed includes support operating system version planning to install.
Symptoms
- Initiate stage, once loading of the operating system is completed, it prompts with the error "Windows Failed to Start"
Figure 1: Operating system loading file
![Error message, Windows failed to Start](https://supportkb.dell.com/img/ka06P000000oaNaQAI/ka06P000000oaNaQAI_en_US_2.jpeg)
Figure 2: Error message, Windows failed to Start.
Troubleshooting Guidance
- Ensure iDRAC is using dedicated port with 1 GB speed.
- Ensure that ping test latency is <1 millisecond with no flapping.
- Ensure using UEFI mode.
- Try the operating system deploy or Boot from Virtual Media. Check if the results are any different.
- Reset PERC back to the default factory setting, then re-create a new VD.
Resolution for this issue
- Go to F10 Lifecycle Controller > Hardware Repurpose and select BIOS, Lifecycle Controller Data & PERC Cache
Figure 3: Screenshot of Lifecycle Controller, Configuration Wizard
- Re-create a new Virtual Disk
- Try both methods, operating system deploy or Boot from Virtual Media, to be able to continue operating system installation.
Figure 4: Screenshot of operating system installation version selection