Hello @neeti.wason , Thanks for using Microsoft Q&A Platform.
Public preview version 2024-02-29-preview is currently only available in the following Azure regions: East US, West US2 and West Europe
404: Resource not found this error can occur due to various reasons, such as incorrect API endpoint, authentication issues, or insufficient permissions.
Try to create a resource in the supported regions mentioned above. Also, consider signing out and signing back to the DI studio.
If you still face issue, please let us know.
I hope this helps.
Regards,
Vasavi
-Please kindly accept the answer and vote 'yes' if you feel helpful to support the community, thanks.