POX Autodiscover request for Exchange
The Autodiscover request contains a query for a user's client access configuration.
Autodiscover request example
Description
The following XML example shows an Autodiscover request body.
Code
<Autodiscover xmlns="https://schemas.microsoft.com/exchange/autodiscover/outlook/requestschema/2006">
<Request>
<EMailAddress>user@contoso.com</EMailAddress>
<AcceptableResponseSchema>https://schemas.microsoft.com/exchange/autodiscover/outlook/responseschema/2006a</AcceptableResponseSchema>
</Request>
</Autodiscover>
Request Headers
The following HTTP headers are optional when sending Autodiscover requests.
Table 1. HTTP request headers
| Header | Description |
|---|---|
| X-MapiHttpCapability |
If present and set to "1", indicates that the client is requesting information that can be used to connect to the server by using the MAPI/HTTP protocol. This header is applicable to clients that implement the MAPI/HTTP protocol. |
| X-ClientCanHandle |
This header contains a comma-delimited list of capabilities that the client supports. The possible values are specified in Table 2. |
Table 2. X-ClientCanHandle header values
| X-ClientCanHandle value (case-insensitive) | Minimum server version | Description |
|---|---|---|
| Negotiate |
15.00.0995.014 |
If this value is present, the server will return a value of "Negotiate" in the AuthPackage (POX) element if the server is configured to accept Negotiate authentication. If this value is not present, the server will not return a value of "Negotiate" in the AuthPackage element. |
| ExHttpInfo |
15.00.0995.014 |
If this value is present, the server will return a Protocol (POX) element with a Type (POX) element set to "EXHTTP" if the server is configured to accept RPC/HTTP connections. If this value is not present, the server will not return a Protocol element with a Type element set to "EXHTTP". |
Request elements
The following elements are used in the request body:
Note
The LegacyDN (POX) element can be used in place of the EMailAddress (POX) element.
Version differences
The X-MapiHttpCapability header is available in Office 365, Exchange Online, and on-premises versions of Exchange starting with build 15.00.0847.032 (Exchange Server 2013 SP1).
The X-ClientCanHandle header is available in Office 365, Exchange Online, and on-premises versions of Exchange starting with build 15.00.0995.014.
See also
POX Autodiscover response for Exchange