#Throttled meaning data how to

In both cases, a Retry-After header is included in the response indicating how long the calling application should wait before retrying or making a new request. The common cause is that the service is experiencing temporary load spikes then expected. HTTP 503 indicates the service isn't ready to handle the request.HTTP 429 indicates the calling application sent too many requests in a time window and exceeded a predetermined limit.When usage limits are exceeded, SharePoint Online throttles any further requests from that client for a short period.įor requests that a user performs directly in the browser, SharePoint Online redirects you to the throttling information page, and the requests fail.įor requests that an application makes, including Microsoft Graph, CSOM or REST calls, SharePoint Online returns HTTP status code 429 ('Too many requests') or 503 ('Server Too Busy') and the requests will fail. What happens when you get throttled in SharePoint Online? Throttling limits the number of API calls or operations within a time window to prevent overuse of resources. SharePoint Online uses throttling to maintain optimal performance and reliability of the SharePoint Online service. What's going on and what can you do to make it stop? What is throttling? What should you do if you get blocked in SharePoint Online?ĭoes this sound familiar? You're running an application - for example, to scan files in SharePoint Online - but you get throttled.Common throttling scenarios in SharePoint Online.

#Throttled meaning data how to

Find out about throttling in SharePoint Online and learn how to avoid being throttled or blocked.