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can you try in another browser other than IE9 to confirm it is actually a browser issue and not something server related?
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can you try in another browser other than IE9 to confirm it is actually a browser issue and not something server related?

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I found these sites as well, but did not work. So I removed IE 9 from the server, and worked after that. Thanks for the help.
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I found these sites as well, but did not work. So I removed IE 9 from the server, and worked after that. Thanks for the help.

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When I try to add users to the site group in Sharepoint, and when I add the user it gives me a correlation ID: I when into the log file and found the error. I tried a few things it suggested on google, but no go. <br />
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I tried the IE 9 fix and nothing.<br />
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This is the error:<br />
<br />
Namespace prefix 'xsd' is not defined. &nbsp; &nbsp;at System.Xml.Serialization.X<wbr />mlSerializ<wbr />ationReade<wbr />r.ToXmlQua<wbr />lifiedName<wbr />
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When I try to add users to the site group in Sharepoint, and when I add the user it gives me a correlation ID: I when into the log file and found the error. I tried a few things it suggested on google, but no go. 

I tried the IE 9 fix and nothing.

This is the error:

Namespace prefix 'xsd' is not defined.    at System.Xml.Serialization.XmlSerializationReader.ToXmlQualifiedName

Error adding users to site group

Microsoft Sharepoint is a software platform and family of software products used for collaboration and web publishing combined. These capabilities include developing web sites, portals, intranets, content management systems, search engines, wikis, blogs, and other tools for business intelligence and collaboration. SharePoint has a Microsoft Office-like interface, and it is closely integrated with the Office suite.

Microsoft SharePoint

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.