I moved to 5.5.0.6 and it worked fine. Maybe the 5.4.2.3 patch was sent out with wrong DLL. indicated as 5.5.0.6 in event viewer.
________________________________ From: Ochs, Duane Sent: Monday, July 21, 2008 4:32 PM To: 'ADSM: Dist Stor Manager' Subject: 5.4.2.3 fresh install. Trying to define the service. Any one seen this before ? Faulting application dsmcutil.exe, version 5.4.2.3, faulting module tsmutil164.dll, version 5.5.0.6, fault address 0x0000000000001d35. I'm going to try one version back of 5.4