API Deployment Not Found (404 DeploymentNotFound) in Semantic Kernel

[akshayvidap128]

Please provide us with the following information:
This issue is for a: (mark with an x)

This issue is for a: (mark with an x)

- [x] bug report -> please search issues before submitting  
- [ ] feature request  
- [ ] documentation issue or request  
- [ ] regression (a behavior that used to work and stopped in a new release)  

Minimal steps to reproduce

Configure the Semantic Kernel to use Azure OpenAI and Azure Cognitive Search with DefaultAzureCredential (via Azure.Identity library).
Set the following parameters:
Azure OpenAI:
Endpoint: https://.openai.azure.com/
Deployment Name:
API Version: 2023-05-15
Azure Cognitive Search:
Endpoint: https://.search.windows.net/
Search Index:
Attempt to invoke the chat completion operation using Azure OpenAI deployment.

Any log messages given by the failure

Microsoft.SemanticKernel.HttpOperationException: 'The API deployment for this resource does not exist. If you created the deployment within the last 5 minutes, please wait a moment and try again.
Status: 404 (DeploymentNotFound)
ErrorCode: DeploymentNotFound

Content:
{"error":{"code":"DeploymentNotFound","message":"The API deployment for this resource does not exist. If you created the deployment within the last 5 minutes, please wait a moment and try again."}}

Headers:
Date: Fri, 15 Nov 2024 15:10:58 GMT
Connection: keep-alive
x-ms-client-request-id: 36192ffc-aba2-44b2-b7c8-3baccc61473b
apim-request-id: REDACTED
Strict-Transport-Security: REDACTED
X-Content-Type-Options: REDACTED
x-ms-region: REDACTED
Content-Type: application/json
Content-Length: 197

Expected/desired behavior

The deployment should be found, and the API should return a valid chat completion response.

OS and Version?

Windows 11

Versions

Mention any other details that might be useful

The deployment was created more than 5 minutes ago.
Verified that the deployment name, endpoint, and Azure subscription are correct.
Testing with Postman using DefaultAzureCredential (via an access token) works without issues.

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