Update Event Hub

Updates an event hub. When updating an event hub, you can only change the properties listed here. An attempt to change any other properties results in an error. Properties that can be changed but aren't specified are set to their default values.


Property Name Available since API version Default Property Description
MessageRetentionInDays 2014-01 0 MessageRetentionInDays


Method Request URI
PUT https://{serviceNamespace}.servicebus.windows.net/{eventHubPath}

Request Headers

See Common parameters and headers for headers and parameters that are used by all requests related to Event Hubs.

Additional Request Headers

Request Header Required or Optional Description
If-Match Required Set this header to “*” to update the event hub. You must provide all the desired property values on the updated event hub; any values not provided are set to the service default values. If this header is missing, then the update call returns an error indicating that this event hub already exists.

Request Body

Atom entry with the description embedded in the content. For example:

<entry xmlns='http://www.w3.org/2005/Atom'>  
  <content type='application/xml'>  


The response includes an HTTP status code, a set of response headers, and a response body.

Response Codes

Code Description
200 Success.
400 Bad request.
401 Authorization failure.
409 Conflict because of missing If-Match header.
500 Internal error.

Response Body

If the request is successful, the response body contains the event hub description. Properties that were missing from the PUT request are returned with default values. If the request isn't successful, the body contains an error code and error message.

Element Name Description
AuthorizationRules The authorization rules.
MessageRetentionInDays The number of days to retain the events for this event hub.
Status The current status of the event hub (enabled or disabled).
CreatedAt The exact time the event hub was created.
UpdatedAt The exact time the event hub was updated.
PartitionCount The current number of partitions on the event hub.
PartitionIds Identifiers for partitions created for the event hub.




You can also use an Azure Active Directory token for the Authorization header as noted in the Common parameters and headers. For example: Authorization: Bearer <Azure AD token>.

PUT https://your-namespace.servicebus.windows.net/your-event-hub?timeout=60&api-version=2014-01 HTTP/1.1  
Authorization: SharedAccessSignature sr=your-namespace.servicebus.windows.net&sig=tYu8qdH563Pc96Lky0SFs5PhbGnljF7mLYQwCZmk9M0%3d&se=1403736877&skn=RootManageSharedAccessKey  
Content-Type: application/atom+xml;type=entry;charset=utf-8  
Host: your-namespace.servicebus.windows.net
If-Match: *
Content-Length: 264  
Expect: 100-continue  
Connection: Keep-Alive  
<entry xmlns='http://www.w3.org/2005/Atom'>  
  <content type='application/xml'>  
    <EventHubDescription xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.microsoft.com/netservices/2010/10/servicebus/connect">  


HTTP/1.1 201 Created  
Transfer-Encoding: chunked  
Content-Type: application/atom+xml;type=entry;charset=utf-8  
Server: Microsoft-HTTPAPI/2.0  
Date: Wed, 25 Jun 2014 22:43:27 GMT  
<entry xmlns="http://www.w3.org/2005/Atom">  
  <title type="text">your-event-hub</title>  
  <link rel="self" href="https://your-namespace.servicebus.windows.net/your-event-hub?timeout=60&api-version=2014-01"/>  
  <content type="application/xml">  
    <EventHubDescription xmlns="http://schemas.microsoft.com/netservices/2010/10/servicebus/connect" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">