Ops manager RSS feed - Error 401

Hi All,
I'm currently building an internal dashboard for the IT support team. One of their requirements is to have an RSS feed from Ops Manager running on another server. I've added the below code, but when I run the aspx page in browser, I get a 401: Unauthorised error on the ds.ReadXml(Reader) line.

    Function GetRSSFeed(ByVal strURL As String) As DataTable         'Get the XML data         Dim reader As XmlTextReader = New XmlTextReader(strURL)

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