A coworker of mine had problems regarding Citrix XenApp XML Service shared with IIS7 on a syspreped Windows Server 2008 R2. After a little research and investigations I found a Citrix support article regarding this problem:
http://support.citrix.com/article/CTX131137
Here’s also a short guide how to configure IIS portsharing with Citrix XML Service:
Michael is working as a cloud solutions architect for Bechtle AG. Having more than a decade experience in consulting and engineer-ing, Michael has managed mid-size to large-scale infrastructure, virtualization and public cloud projects with customers in all major industries.