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resourcetag

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resourcetag

This content is no longer actively maintained. It is provided as is, for anyone who may still be using these technologies, with no warranties or claims of accuracy with regard to the most recent product version or service release.

A resourcetag is a token generated by the server that represents the state of a resource (depth=0). Microsoft® Exchange also provides support for the resourcetag Field on every replicated resource. The contents of the resourcetag are opaque to the client.

A resourcetag has the following properties:

  • The client can fetch the resourcetag from the resourcetag Field on a resource.
  • Two resourcetags are binary comparable by the client.
  • The server guarantees that, if two resourcetags are the same when compared, the resource is the same.
  • The client can include the resourcetag or repl-uid in the If Header of any WebDAV method request.
  • The server returns the resourcetag of the resource as a response header for GET method, PUT method, POST method, MKCOL Method, PROPPATCH Method, and DELETE Method requests.
  • The server returns the repl-uid of the resource as a response header for PUT method, POST method, MKCOL Method, and PROPPATCH Method requests.

It is recommended that the client store this property to reflect the state of the replicated resource. By storing the resourcetag Field, a WebDAV client can:

See the following scenarios for more information:

Client Uses Client-Side Conflict Detection

Client Uses Server-Side Conflict Detection

Client Downloads Content and Properties

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This topic last updated: December 2004

Build: June 2007 (2007.618.1)

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