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Slow detection of absent UNC
Message
From
17/11/2007 09:09:24
 
 
To
16/11/2007 17:12:52
General information
Forum:
Visual FoxPro
Category:
Windows API functions
Environment versions
Visual FoxPro:
VFP 7 SP1
OS:
Windows XP SP2
Database:
Visual FoxPro
Miscellaneous
Thread ID:
01269426
Message ID:
01269650
Views:
21
>>>>>>When a built-in function like DIRECTORY(), FILE() or FCREATE() is passed a UNC-path that does not (no longer) exist, it takes a very long time to tell you that. Is there an API function that can tell this much quicker?
>>>>>
>>>>>What is "a very long time"?
>>>>
>>>>A minute.
>>>
>>>Check your DNS setup. I can see both existent and none existent shares in under 2 seconds across a WAN.
>>
>>NSLOOKUP gives quick response.
>>
>>Suppose the whole not-existing UNC is '\\K1126SF\APPS\TESTDATA\504\SPL\LIVE' and I do in a Dos box:
>>
nslookup k1126sf
the result is immediate.
>>
>>Might this also be a promissing workaround?
>
>Out of interest (to find out if it's a DNS or WINS issue) can you try with an IP address rather than a UNC, e.g.:
>
>USE \\192.168.0.5\DataFolder\MyTable ...
>
I'll try this monday. I'm currently not on that network.
Groet,
Peter de Valença

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