microsoft/autogen · error · ValueError

Error connecting to Azure AI Search: {str(e)}

Error message

Error connecting to Azure AI Search: {str(e)}

What it means

Error "Error connecting to Azure AI Search: {str(e)}" thrown in microsoft/autogen.

Source

Thrown at python/packages/autogen-ext/src/autogen_ext/tools/azure/_ai_search.py:411

            return self._client

        try:
            self._client = SearchClient(
                endpoint=self.search_config.endpoint,
                index_name=self.search_config.index_name,
                credential=self.search_config.credential,
                api_version=self.search_config.api_version,
            )
            return self._client
        except ResourceNotFoundError as e:
            raise ValueError(f"Index '{self.search_config.index_name}' not found in Azure AI Search service.") from e
        except HttpResponseError as e:
            if e.status_code == 401:
                raise ValueError("Authentication failed. Please check your credentials.") from e
            elif e.status_code == 403:
                raise ValueError("Permission denied to access this index.") from e
            else:
                raise ValueError(f"Error connecting to Azure AI Search: {str(e)}") from e
        except Exception as e:
            raise ValueError(f"Unexpected error initializing search client: {str(e)}") from e

    async def run(
        self, args: Union[str, Dict[str, Any], SearchQuery], cancellation_token: Optional[CancellationToken] = None
    ) -> SearchResults:
        """Execute a search against the Azure AI Search index.

        Args:
            args: Search query text or SearchQuery object
            cancellation_token: Optional token to cancel the operation

        Returns:
            SearchResults: Container with search results and metadata

        Raises:
            ValueError: If the search query is empty or invalid
            ValueError: If there is an authentication error or other search issue

View on GitHub (pinned to 027ecf0a37)

Solutions

1. Verify endpoint URL and network access

Example fix

Check the endpoint is reachable and correct

When it happens

Trigger: Thrown at python/packages/autogen-ext/src/autogen_ext/tools/azure/_ai_search.py:411 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of microsoft/autogen@027ecf0a37 (2026-08-15). Data as JSON: /api/errors/f796eee92b48b52b. Report an issue: GitHub.