Having less universes and connections

Gurus,
I'm having typical situation where in my client has more than 200 universes and almost same amount of connections.
It is due to reason that as and when they grew their set of businesses, the users created their own set of universes and are having multiple set of data sources which are MS SQLServer2005, Teradata,Oracle,etc.
As I learnt further, some 400 reports are bveing used by key users which refer these universes and connections.
I checked the linked universes concept but there seems to be no key that may join more than 2 universes.
Is there any way by which I can reduce the
a) No of universes
b) Connections without having any issues at report ?
If yes, what all factors are to be considered for this situation ? Any references on this might be helpful.

Hi Sachin,
You can back trace from the reports.
Firstly, you can take out the list of reports which are important or are in frequent use by users.
Then using Query Builder, you can take out the universe names associated with these reports.
Using universe list, you can take out the connections used.
Then you can plan on which universes and connections to keep and which to decommission.
Regards,
Yuvraj

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