Error:The Citrix servers reported that they are too busy to provide access to the selected resource

I came across this error in a Mixed 4.0 / 4.5 MPS Farm. The users would try to access the 4.5 server (which was the only 4.5 server in the farm) and they would receive this error message.
The complete error was:
The Citrix servers reported that they are too busy to provide access to the selected resource. This message was reported from the XML Service at address http://someotherserver:80 [com.citrix.xml.NFuseProtocol.RequestAddress]. 

So what can we do about this error?

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How to manually uninstall and remove a corrupted Citrix MPS (4) server from a Farm.

citrix-logo[2] Came across a server which due to circumstances was unable to start the IMA service. (starting the IMA service would just crash the IMA process)
I toyed with the system for a while but since the server needed to be reinstalled anyway I needed to uninstall Citrix manually so here are the steps I took:

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