Use valid VMSS computer names#
Operational Excellence · Virtual Machine Scale Sets · Rule · 2020_06 · Awareness
Virtual Machine Scale Set (VMSS) computer name should meet naming requirements.
Description#
When configuring Azure VMSS the assigned computer name prefix must meet operation system (OS) requirements.
The requirements for Windows VM instances are:
- Between 1 and 15 characters long.
- Alphanumerics, and hyphens.
- Can not include only numbers.
The requirements for Linux VM instances 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 VMSS resource name.
Notes#
VMSS resource names have different naming restrictions.
See Azure.VMSS.Name for details.