How to revert to ArcEngine 9.3.1
==Uninstall IMSMAng V6 to Re-install IMSMAng 5.08.04==__NOEDITSECTION Scenario: Having installed V6.0 running ArcEngine or ArcGIS 10.1 and needs to revert to 5.08.04. Step 1 Uninstall V6.0 using the {IMSMAng} un-installer from the Start\Programs or from the Control panel Step 2 Manually stop PGSQL service Step 3 Manually delete IMSMAng folder Step 4 go to Regedit and rename RealVersion 10.1