Hey,
We are in the same boat as you right now. You described it to perfection. Just to fill yoou in, the problem is not your WSUS server I can guarantee that because I do not use a WSUS server, I update directly from Microsofts Update server. We have been blaming Dell because the issue started to appear on Gx620 Small form units only between June and August of 2006. Dell came in because we thought there was a system issue. They replaced ram and they repalced motherboards in these units and still the problem persists. Occasionally the memory addresses are different whe the errors get thrown, but the number shown in the subject line 0x745f2780 always appears in the beginning. We have been on Dell about this to the point wehre they sent me replacement units Optiplex 754 small form units to replace what we thought were defective gx620 units, two days after installing the new Optiplex 745 I am faced with the identical errors. I have to ask if this is Microsofts way of Marketing Vista? or is there really a problem with small form Dell 620 units and Optiplex 745 small form units? We replaced 1 gx620 unit in October with a Optiplex 745 Minitower, and the issue has not returned on that unit. It is not a small form unit. What type of units are you using?
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