Windows XP - mrxsmb redirector error in event log - slow mapped drives

Hi Experts

We have machine in our SBS domain that keeps getting slow network drives once opened in My Computer.

The even viewer shows this message when trying to open a network drive,
Event ID: 3019
Source: MRxSmb
Description: The redirector failed to determine the connection type

Each time a network drive is opened, the above message appears in the even log.

I have just installed SP3, which did not fix the error.

Another thing to note, would be that I have logged into this PC as the domain administrator and this error message does not appear, network drives load fine.

So, I'm lead to believe that this is caused by the specific user profile. Anyone got any ideas?
LVL 15
MarkMichaelAsked:
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igor-1965Commented:
Apparently this is a known but unsolved problem: http://support.microsoft.com/kb/315244
and http://support.microsoft.com/kb/267934

Nevertheless you might try to disable Autodisconnect feature on the problematic computer:
http://support.microsoft.com/kb/138365/EN-US/
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MarkMichaelAuthor Commented:
Hmm.. unresolved eh?
Here, have some points then... :)
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