Can't upgrade azurerm_postgres_flexible_server from12,13,14,15 to version 16

[shaikriyaz-user]

Is there an existing issue for this?

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Terraform Version

0.12.31

AzureRM Provider Version

3.96.0

Affected Resource(s)/Data Source(s)

azurerm_postgres_flexible_server

Terraform Configuration Files

Error: updating Flexible Server (Subscription: "xyz"
Resource Group Name: "azure_infra"
Flexible Server Name: "postgres"): performing Update: unexpected status 400 with error: ParameterOutOfRange: The value of the 'Version' should be in: [13,14,15]. Verify that the specified parameter value is correct.

  with azurerm_postgresql_flexible_server.postgres_server

Debug Output/Panic Output

Error: updating Flexible Server (Subscription: "xyz"
Resource Group Name: "azure_infra"
Flexible Server Name: "postgres"): performing Update: unexpected status 400 with error: ParameterOutOfRange: The value of the 'Version' should be in: [13,14,15]. Verify that the specified parameter value is correct.

  with azurerm_postgresql_flexible_server.postgres_server

Expected Behaviour

Should be upgraded to version 16

Actual Behaviour

No response

Steps to Reproduce

Create postgresql-db v12|13|14|15 version using terraform
change the version to 16
terraform apply

Important Factoids

No response

References

No response

[neil-yechenwei]

Thanks for raising this issue. It's service limitation. Service team confirmed that PG16 can't be upgraded from other versions for now.