Mac to Windows Sharing problem

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I KNOW I won’t get this problem again for a while…
New Mac, wants to get to a share on a Windows XP PC.
Can see it on the network, click on the PC and it sees the shares. Great.
Click on a share however and up pops “The Operation Can’t be completed because original item for share cannot be found”. Boooo.
The problem was that I found other Windows machines on the network and could connect to their shares just fine.
So I had a look at the XP’s event log and found multiple entries complaining that the IRPStackSize was too small.
Quick trip to Microsoft’s KB’s (aka Google it) and found a nice article on how to increase the size…here it is;

To resolve this behavior, increase the IRPStackSize value in the registry:

  1. Click Start, and then click Run.
  2. Type regedit, and then click OK.
  3. Navigate to the following key:
    HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanmanServer\Parameters
  4. In the right pane, double-click the IRPStackSize value.

    NOTE: If the IRPStackSize value does not already exist, use the following procedure to create it:

    1. In the Parameters folder of the registry, right-click the right pane.
    2. Point to New, and then click DWord Value.
    3. Type IRPStackSize.

      IMPORTANT: Type “IRPStackSize” exactly as it is displayed because the value name is case-sensitive.

  5. Change the Base to decimal.
  6. In the Value Data box, type a value that is larger than the value that is listed.

    If you created the IRPStackSize value using the procedure described in step 4, the default value is 15. It is recommended that you increase the value by 3. Therefore, if the previous value was 11, type 14, and then click OK.

  7. Close the Registry Editor.
  8. Restart the computer.

Now don’t bother with # 8 because you can just restart the server service and it will do the same thing as rebooting (for the purpose of increasing the IRP Stack size).

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One Response to “Mac to Windows Sharing problem”

  1. Robert Morgan Says:

    Thanks so much, I’ve been looking for a solution to that everywhere and you’re the only thing that was even close.

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