Miscellaneous limitations in a Terminal Services environment
- Last UpdatedJun 13, 2024
- 1 minute read
The following table describes the limitations and suggested solutions to run applications on a terminal server.
|
Feature |
Supported? |
Comment |
|---|---|---|
|
WindowViewer |
Yes |
WindowViewer is not supported running as a service under Terminal Services. |
|
DDE to an I/O Device or MS Office (for example, Excel) |
No |
Use a tag server (console or separate computer). This includes DDE QuickScripts: WWExecute(), WWpoke() and WWRequest() |
|
DDE from MS Office (for example, Hot-link configured in Excel) |
Yes |
Excel and the InTouch HMI must be running in the same session. |
|
Historical Trending |
Yes |
Use a tag server or NAD to log values. Multiple sessions may read the same historical files, but only a console can write to historical files. |
|
InTouch Alarm Logger |
Yes |
-- |
|
MEM OLE Automation |
Yes |
-- |
|
Printing Alarms |
No |
-- |
|
Retentive tags |
Yes |
Must use NAD. |
|
SQL Access (ODBC) |
Yes |
Database should be on a separate computer. |
|
SuiteLink to an I/O Device or another InTouch application. |
Yes |
When communicating to another view session, include the Terminal Server node name and append the IP address of the desired session to the application name. For example, view10.103.25.6. I/O Servers are not supported in client sessions. |