Hi @Styve Jerry NDE TCHINDA
Thanks for the question and using MS Q&A platform.
Looks like you're having trouble with the indexer not showing up in Azure Cognitive Search, even though you're getting "200 OK" responses when creating and checking its status.
1.Make sure there are no Conditional Access policies blocking the indexer from accessing the SharePoint document library. If you see a message saying the device needs to be managed, you might need to tweak your Conditional Access policies in the Azure portal.
2.Check that the account used to create the indexer has the right permissions to access the SharePoint site and library. It might help to create a new organizational user account with the exact permissions needed for the indexer.
3.Ensure the indexer is set up correctly to point to the right data source and that the data source is accessible.
The "404 not found" error when using the "run" function might mean the indexer wasn't created successfully, even if you got "200 OK" responses. Double-check the indexer creation process and make sure all required fields and configurations are set correctly. If these steps don't fix the issue, it might be useful to consult Azure's documentation or support for more help.
References:
Index data from SharePoint document libraries.
Indexer troubleshooting guidance for Azure AI Search.
Please accept as "Yes" if the answer provided is useful, so that you can help others in the community looking for remediation for similar issues.