ARTCC TRACON INTRAFAC COORD RADAR HDOF X MISIDENTED DSNDED BELOW MINIMUM VECTORING ALT. SYS ERROR.

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ARTS II WAS OUT FOR MAINT ON A SUNDAY MORNING WHEN TFC VOLUME IS NORMALLY LIGHT. I HAD JUST RELIEVED THE RADAR CTLR. DURING THE RELIEF BRIEFING HE POINTED TO THE BEACON TARGETS AS HE TOLD ME ABOUT EACH ACFT AND I REARRANGED MY STRIPS TO MY LIKING. ON THE HDOF FROM ZOB; A COMMUTER X WAS MANUALLY HANDED OFF; ACCORDING TO POS; IN FRONT OF ACR Y. THE RELIEVING CTLR POINTED TO THESE 2 TARGETS ON THE SCOPE IN THAT ORDER; THE COMMUTER X IN FRONT AND ACR Y IN TRAIL. I DSNDED THE COMMUTER X TO 2500 FT AND ASSIGNED A HDG TOWARD THE OM FOR A VISUAL APCH. THE COMMUTER THEN ASKED ME ABOUT A 2500 FT ANTENNA OFF HIS L SIDE. I REALIZED IMMEDIATELY THAT THERE WAS CONFUSION ON THE HDOF FROM ZOB TO BUF OR; ON THE POS RELIEF BRIEFING; AND THAT THE COMMUTER WAS ACTUALLY THE SECOND ACFT AND WAS STILL IN A 4000 FT MINIMUM VECTORING AREA. I CLBED THE COMMUTER AND CONTINUED TO VECTOR BOTH ACFT TO THE ARPT. I ASKED THE RELIEVING CTLR IF HE HAD ASKED EACH ACFT TO IDENT ON INITIAL CONTACT. HE SAID HE DID NOT BECAUSE ZOB CLRLY TOLD HIM WHERE THE COMMUTER ACFT WAS ON THE HDOF AND THAT ACR Y WAS 10 MI IN TRAIL. THERE IS MUCH DISAGREEMENT ON THE PART OF THE CTLR WORK FORCE AS TO WHETHER OR NOT AN IDENT IS NECESSARY IF THE TRANSFERRING FACILITY STATES THE POS OF THE ACFT CLRLY DURING A MANUAL HDOF. AN IDENT WOULD CERTAINLY HAVE ALLEVIATED ANY CONFUSION IN THIS INSTANCE.