The Print Spooler service may stop sending print jobs to a printer that uses the standard port monitor on a Windows Server 2003-based computer

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Microsoft Fix it 50226

To create this registry value and then enable it, follow these steps:

1. Click Start, click Run, type regedit in the Open box, and then click OK.
2. Locate the following subkey in the registry, and then click this subkey:
   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Print
3. On the Edit menu, point to New, and then click DWORD Value.
4. Type ThrowDriverException for the name of the DWORD value, and then press ENTER.
5. Right-click ThrowDriverException, and then click Modify.
6. In the Value data box, type 1, and then click OK.
7. Exit Registry Editor.