Access Violation Using MPR and Third-Party Network Provider (145613)
The information in this article applies to:
- Microsoft Windows NT Workstation 3.5
- Microsoft Windows NT Workstation 3.51
- Microsoft Windows NT Server 3.5
- Microsoft Windows NT Server 3.51
This article was previously published under Q145613 SYMPTOMS
An application that uses the Multi-Protocol Router (MPR) and a third-party
network provider does not start and an Access Violation error message
appears.
CAUSE
According to the Win32 documentation, a null character is required at the
end of the network provider path in the registry. When MPR.DLL reads the
path of the third-party network provider, a null character is not found.
WORKAROUND
To resolve this problem, upgrade to Windows NT Workstation and Server
version 4.0.
To work around this problem, do the following:
WARNING: Using the Registry Editor incorrectly can cause serious, system-
wide problems that may require you to reinstall Windows NT to correct them.
Microsoft cannot guarantee that any problems resulting from the use of the
Registry Editor can be solved. Use this tool at your own risk.
- Start Registry Editor (REGEDT32.EXE) and locate the following Registry
subkey in the HKEY_LOCAL_MACHINE subtree:
\SYSTEM\CurrentControlSet\Control\NetworkProvider\Ord - Select the ProviderOrder value name and note the name of the third-party
provider.
- Locate the following Registry subkey in the HKEY_LOCAL_MACHINE subtree:
\SYSTEM\CurrentControlSet\Services\<third-party provider>
\networkprovid - Select the ProviderPath value name. From the Edit menu, select String.
- Press CTRL+C to copy the string to the clipboard.
- Remove the string and click OK.
- Select the ProviderPath value name. From the Edit menu, select String.
- Press CTRL+V to copy the contents of the clipboard to the string.
- Click OK and quit Registry Editor.
- Shut down and restart Windows NT.
STATUS
Microsoft has confirmed this to be a problem in Windows NT versions 3.5 and
3.51. This problem was corrected in Windows NT Workstation and Server
version 4.0.
| Modification Type: | Major | Last Reviewed: | 12/16/2003 |
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| Keywords: | kbnetwork KB145613 |
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