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AzureEnd of support

Azure Load Balancer: numberOfProbes property end of support

End of support date for the Azure Load Balancer numberOfProbes property: 1 Sep 2027. Microsoft does not support the property after that date and names the probeThreshold property as the one to use.

Support ends , 1 Sep 2027

What breaks

Support for the Azure Load Balancer numberOfProbes property ends on 1 Sep 2027. Microsoft does not support the property after that date. To avoid service disruption, Microsoft advises upgrading apps to API version 2022-05-01 or higher and using the Azure Load Balancer probeThreshold property.

Who is affected

Matching resource types

  • microsoft.network/loadbalancers

Fields the check reads

  • properties.probes.properties.numberofprobes

Detected by the estate check from

  • ARM template

Check your estate for this

What to do

  1. Upgrade your apps to API version 2022-05-01 or higher. Microsoft links guidance on updating your API.
  2. Before 1 Sep 2027, stop using the numberOfProbes property, migrate to the probeThreshold property, or both.

Replacement

probeThreshold property

Sources

Last checked against the first source in this list on .

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