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Use valid VMSS names#

Operational Excellence · Virtual Machine Scale Sets · Rule · 2020_06 · Awareness

Virtual Machine Scale Set (VMSS) names should meet naming requirements.

Description#

When naming Azure resources, resource names must meet service requirements. The requirements for VMSS names are:

  • Between 1 and 64 characters long.
  • Alphanumerics, underscores, periods, and hyphens.
  • Start with alphanumeric.
  • End alphanumeric or underscore.
  • VM names must be unique within a resource group.

Recommendation#

Consider using names that meet VMSS resource name requirements. Additionally, consider using a resource name that meeting OS naming requirements.

Notes#

This rule does not check if VMSS names are unique. Additionally, VMSS computer names have additional restrictions. See Azure.VMSS.ComputerName for details.

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