Use valid VM computer names#
Operational Excellence · Virtual Machine · Rule · 2020_06 · Awareness
Virtual Machine (VM) computer name should meet naming requirements.
Description#
When configuring Azure VMs the assigned computer name must meet operation system (OS) requirements.
The requirements for Windows VMs are:
- Between 1 and 15 characters long.
- Alphanumerics, and hyphens.
- Can not include only numbers.
The requirements for Linux VMs are:
- Between 1 and 64 characters long.
- Alphanumerics, periods, and hyphens.
- Start with alphanumeric.
Recommendation#
Consider using computer names that meet OS naming requirements. Additionally, consider using computer names that match the VM resource name.
Notes#
VM resource names have different naming restrictions.
See Azure.VM.Name for details.