MailBag Friday (#23)

Every Friday, we dedicate this space to sharing solutions for some of the most frequently asked questions posed to our ThinManager Technical Support team.  This weekly feature will help educate ThinManager Platform users and provide them with answers to questions they may have about licenses, installation, integration, deployment, upgrades, maintenance, and daily operation.  Great technical support is an essential part of the ThinManager Platform, and we are constantly striving to make your environment as productive and efficient as possible.



I’m getting a message from ThinManager telling me there is a duplicate IP Address in use. This message appears just after downloading the firmware when the ThinManager logo appears on the screen.  We are using a PXE Server Mode with a Standard DHCP (no options).  Is this related to DHCP lease time? Is it ThinManager reserving an IP for the client?



More than likely, someone has a static IP address in the dynamic range as defined by the DHCP server.  If you are using ThinManager with the “Using standard DHCP server” option, then ThinManager is relying on a separate entity to provide IP addresses.




We currently have 40 ThinManager ready thin clients deployed in our facility and want to reduce the number of Windows Accounts being used to login into our Terminal Server.   Can we use the same Windows account for several display clients?  The Terminal Server is currently configured to allow more than one session per account.


We do not recommended it because once one session disconnects and tries to reconnect, Windows has issues reassigning the correct session to the correct thin client.




I’m trying to get a Workstation display client onto my system to show XP in a session. I am getting the error message “Connection Refused.”   I have disabled the firewall in the XP system and can ping everyone from anywhere. Any ideas?


You need to turn on remote administration in your Windows XP settings.




I have built a new 2008 R2 server and want it to use it as a ThinManager server to manage my two existing Terminal Servers.  Thinmanager 3.1 is loaded on one of those 2 existing 2003 servers.  I did a fresh load of Thinamanager 6.0 on the 2008 server but can not install license.  What steps and in what order do I need to proceed?


You will need to create a new Master License and then add your existing  product licenses to the newly created Master License. This can all be done at the licensing website:




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Tom Jordan

Marketing Lead for ThinManager - A Rockwell Automation Technology