Hi Srikanthreddy Adla (TATA CONSULTANCY SERVICES LTD) ,
Once a private endpoint is rejected, it cannot be approved again using the Azure portal. The only option available is to delete the rejected connection and create a new private endpoint instead.
https://learn.microsoft.com/en-us/azure/event-grid/configure-private-endpoints-pull#create-a-private-endpoint
https://learn.microsoft.com/en-us/azure/notification-hubs/private-link#manage-private-endpoints-using-the-portal
Hope the above suggestion helps! Please let us know do you have any further queries.
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