This is an odd one but I have had the problem demonstrated to me today as I found it hard to believe. I'm using BDS 2006, Delphi personality plus the TMS component set. The application uses a mathematical model to simulate heat transfer and does millions of calculations solving differential equations numerically to generate temperatures over time etc. The results are displayed in a TMS grid and a TeeChart component draws a graph of them. The strange thing is that the calculations & graph come out fine if the user is logged into the pc as a local user but not if the user is logged into the pc as a domain user. The numbers calculated are garbage in the second case. So that's the same app, on the same hardware, only difference being the logged in user. No exceptions are generated, it runs without apparent error. When logged into the network, the user is part of a large company network (Microsoft Active Directory) that has a strict lockdown policy where most users are severely restricted in what they can do or see. When logged in as a local user he is in the Administrators group whereas logged in as a domain user he won't be. This is running under XP, SP2. It is recent hardware, an HP laptop. I can't duplicate the problem on any of my development or test machines. I'm on a different network but it's still MS active directory and I'm logged in as a network user. A further point of interest is that a tester, in a different organisation, reports the same issue i.e. it doesn't produce the correct answers as a network user but does on a standalone pc. In this case the standalone pc is a physically different machine. I'm struggling to come up with any kind of mechanism that could account for this behaviour. Any ideas? Cheers John ---------------------------------------------------------------------------- ---- John Davys Senior Consultant - Database Systems Rezare Systems Limited Hamilton, New Zealand ph: (07) 857 0824 mobile: (027) 557 0824 http://www.rezare.co.nz <http://www.rezare.co.nz/>
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