WSUtil giving error on XSD file

Question

When I try to run wsutil for some web services schema, I am getting the error during compilation..
Which forum discusses about the issues with Win7 SDK and native support for webservices?

Thanks.
C:\Program Files\Microsoft SDKs\Windows\v7.0\Bin>wsutil /wsdl:\temp\wsdl\rewrap\
rewrap.wsdl /wsdl:\temp\wsdl\rewrap\rewrap0.wsdl /wsdl:\temp\wsdl\rewrap\rewrap.
xsd /wsdl:\temp\wsdl\rewrap\rewrap1.xsd /wsdl:\temp\wsdl\rewarap\rewrap2.xsd /ws
dl:\temp\wsdl\rewrap\rewrap3.xsd /out:\temp\wsdl\rewrap
Microsoft (R) Windows Web Services Tool, version 1.0079
Copyright (c) Microsoft Corporation.  All rights reserved.
error WSUTIL0016  Failed to parse input wsdl file '\temp\wsdl\rewrap\rewrap.xsd'
, Message
    'There is an error in XML document (1, 40).
<schema xmlns='http://www.w3.org/2001/XMLSchema'> was not expected.'.
warning WSUTIL0083  Error during compilation. No file was generated.