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Microsoft Dynamics NAV 5.0 SP1 ADCS menu navigation may be very slow on Windows Server 2008

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Symptoms

If you install the Microsoft Dynamics NAV Application Server (NAS) and VT100 Plugin service for Automated Data Capture System (ADCS) on a Windows 2008 machine, the menu navigation may be very slow. It can takes up to 2 seconds for ADCS to respond to each menu selection even when there is no load on the system. It does not matter which menu item is selected as the slow response is the same for all menu options.

The problem can happen with all versions of Windows 2008 including 32 bit, 64 bit and R2. This problem does not happen when installing the NAS and VT100 Plugin service on Windows XP or Windows 2003. On these older OS versions the menu navigation is sub-second as expected.

The slow menu navigation can be seen when accessing ACDS via Telnet or Hyper Terminal so the delay is not caused by the remote device access components.

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Resolution

Installations which encounter this issue should alter the Windows Registry entries for ADCS on the machine hosting the NAS and VT100 Plugin service according to the following recommendations: 
  1. In HKEY_LOCAL_MACHINE\SOFTWARE\Navision:
      1. Under the key ADCS\VT100Plugin\Symbol1 verify that the following “Plugin ServerIP” string value is defined and set to the machines public IPv4 address.
      2. Under the key ADCS\Application Servers\ADCSNAS1 check if the “SocketServerName” string value exists. If not, add it and ensure it is set to the machines public IPv4 address.
  2. If the relevant machine is using a 64 bit version of Windows 2008 then repeat Step 1 above for HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Navision. 
  3. Restart the NAS and the ADCS service.

Please first make the above changes in a suitable Test environment to ensure expected results before altering the Live environment. 

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Keywords: kbmbspartner, kb

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Article Info
Article ID : 2433901
Revision : 1
Created on : 1/7/2017
Published on : 9/18/2011
Exists online : False
Views : 333