12.5 Call to ldv_open() Sometimes Fails
When using the OpenLDV API, a call to ldv_open() immediately after a call to ldv_close() on the same
network interface sometimes fails. Workaround: Insert a one-second delay between the ldv_close() call and
the next call to ldv_open(). (37296)
12.6 Long RNI Names
The LNS DDE Server 2.11 software cannot handle RNI names longer than 22 characters, resulting in
indeterminate behavior. RNI names, in the format x.Default.[User Defined Name], will extend beyond this
limit if the user-defined portion of the name is over 12 characters long. Workaround: Limit user-defined
names to 12 characters or less. (45752)
12.7 .NET Framework 3.5 SP1 Requirement
The .NET Framework 3.5 SP1 required by OpenLDV 4.0 is not a subset of the .NET Framework 4. From
.NET 2 through .NET 3.5 SP1, all of the framework versions installed .NET 2 through the current version.
The .NET Framework 4 does NOT do this. The fact that you have .NET 4 installed does not imply that you
also have Framework 3.5 SP1 installed. The .NET 3.5 SP1 Framework installation had become huge
(>200MB), and Microsoft apparently abandoned that scheme. (58841)
12.8 .NET Framework 3.5 SP1 on Windows Server 2008 R2
If you try to install .NET Framework 3.5 SP1 on a clean Windows Server 2008 R2 machine, the SP1 setup
will halt with the message "You must use the Role Management Tool to install or configure Microsoft .NET
Framework 3.5 SP1." That is kind of misleading, because when you find the Role Manager within the Server
Manager tool, it does not say anything about .NET. (58841)
To install the .NET 3.5 SP1 Framework on Windows Server 2008 R2:
Select Server Manager within the Server Manager tool selection tree.1.
Scroll down to Features Summary and open the list of Features.2.
Opening the list of features will allow .NET 3.5.1 to be selected and installed. This installation also
automatically turns on some one of the Server roles (web server).
3.
12.9 Unknown Publisher Warning
The OpenLDV 4.0 installation program is digitally signed to verify that it is software from Echelon
Corporation. However, if you uninstall this program from the Add/Remove Programs on Windows Vista, it
will display a UAC warning that the installation has an unknown publisher. This is a known Windows Vista
problem, caused by Vista compression of the cached installation program used in the uninstall process – see
http://kb.flexerasoftware.com/selfservice/viewContent.do?externalID=Q112476 for details. (59049)
12.10 Authentication Bit
Local network management commands directed at network interfaces will sometimes have the authentication
bit set by the controlling software. In the responses to local request-response network management
commands, the authentication bit is ignored. Various network interfaces either copy the original value of the
bit in the response, or always reset it, but no significance should be attached to this. (45296)
12.11 32-bit Title on 64-bit Windows
On 64-bit versions of Windows, the title of the LonWorks Interfaces applet in the Windows Control Panel is
shown as LonWorks Interfaces (32-bit). Workaround: This is normal and the control panel application will
function normally in this environment. The name indicates that OpenLDV and its control panel application
OpenLDV Network Driver ReadMe http://www.echelon.com/support/downloads/software/networkinterfaces/...
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