Forefront TMG error refresh failed + 0x8007057

ometime things may go wrong and you may run into this issue on the Array Member when you try to open the TMG console. On opening the TMG console it throws the above mentioned error message.

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To fix this issue, check for the installed updates on the array manager and the array member. Both should have the same set of updates installed.

To check the installed updates on the system go to:-

Control Panelà Uninstall a programà View installed Update. Make sure that on all TMG machines in array have same TMG ServicePacks/Updates installed.