https://community.hpe.com/t5/disk-enclosures/redundancy/m-p/2559598#M2414 Flash both the 4250ES controllers with the latest firmware and that should resolve your issue. Mon, 05 Nov 2001 00:00:00 GMT Mark Cloutier 2001-11-05T00:00:00Z https://community.hpe.com/t5/disk-enclosures/redundancy/m-p/2559597#M2413 Hi, <BR /> Any ideas on the following.......... <BR /> <BR /> System Setup: <BR /> 4 Proliant 8000s, 10 x 36.4GB &amp; 2 x 9.1GB, 4 x Xeon 700 1 MB Cache and 2 x 4250ES controllers (both 1.3A) in each server. <BR /> <BR />System Error: <BR /> Each server comes up with the error '1722: Inter-Controller communication failed' <BR /> <BR /> Has anyone come up against this problem before? Tue, 31 Jul 2001 23:00:00 GMT https://community.hpe.com/t5/disk-enclosures/redundancy/m-p/2559597#M2413 Ayman Altounji 2001-07-31T23:00:00Z https://community.hpe.com/t5/disk-enclosures/redundancy/m-p/2559598#M2414 Flash both the 4250ES controllers with the latest firmware and that should resolve your issue. Mon, 05 Nov 2001 00:00:00 GMT https://community.hpe.com/t5/disk-enclosures/redundancy/m-p/2559598#M2414 Mark Cloutier 2001-11-05T00:00:00Z