Here is a fix that was posted previously. I have a user that runs our VFP6 app and it seemed to fix his error reading files and offseek errors.

Here is the text from a Compuserve message of 8/24/2001 from a developer who had the exact problem. These errors were hitting his users fast and furious:

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Here"s the registry fixes. We had support from Microsoft on this. They had a customer in the US with this problem and ROSS were investigating (ROSS = Reactive On_Site Services)

There are TWO solutions, the recommendation from MS and what we actually did. Our solution is simpler, the same patch to all machines, and it works well I don't know why our OPS department didn't do exactly what MS outlined. but it worked for us anyway... At this stage the 1104 errors have stopped.

ROSS RECOMMENDATION:
The KB does document a hotfix which did not work for this customer. The following RegKeys did however resolve the problem:

On the Windows 2000 sp2 Terminal Servers, add thefollowing register keys

HKLM\System\CCS\Services\Mrxsmb\Parameters
OpLocksDisabled
DWORD: 0x1

HKLM\System\CCS\Services\LanmanServer\Parameters
CachedOpenLimit
DWORD: 0x0

HKLM\System\CCS\Services\LanmanWorkstation\Parameters
UtilizeNTCaching
DWORD: 0x0

HKLM\System\CCS\Services\RDR\Parameters
UseWriteBehind
DWORD: 0x0

On the Windows 2000 sp2 File Server which hosts the VFP6 Application, add the following register keys

HKLM\System\CCS\Services\Lanmanserver\Parameters
EnableOpLocks
DWORD: 0x0

HKLM\System\CCS\Services\Lanmanserver\Parameters
CachedOpenLimit
DWORD: 0x0

HKLM\System\CCS\Services\LanmanWorkstation\Parameters
UtilizeNTCaching
DWORD: 0x0

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Here is what we actually did and the problem went away

Apply these register keys to ALL WIN2K servers, Data Servers and Terminal servers. The spurious 1104 errors stopped and we've not seen any since

HKLM\System\CCS\Services\Mrxsmb\Parameters
OpLocksDisabled
DWORD: 0x1

HKLM\System\CCS\Services\Lanmanserver\Parameters
CachedOpenLimit
DWORD: 0x0

HKLM\System\CCS\Services\LanmanWorkstation\Parameters
UtilizeNTCaching
DWORD: 0x0

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