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wdmfdsp.ocx generating error in windows 7

Posted on 2016-08-26
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Last Modified: 2016-10-04
I have an access application I inherited that uses the WdMfDsp.ocx control to get data from Rumba.
After upgrading to windows 7 we now are getting an error message.

"A license is not available at this time. general license error occurred -2"
 
followed by another message

"The operation of the Objectx Mainframe display control object failed.
The OLE server may not be registered."

I'm new to using this type of work, any suggestions would be appreciated.
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Question by:Bob Sullivan
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10 Comments
 
LVL 94

Expert Comment

by:John Hurst
ID: 41772233
Rumba is (so far as I know) old, for sure paid and licensed, and for older operating systems. Are you sure it is supported in Windows 7? If not, that is why it is causing problems. Can you uninstall Rumba and any of it add-ins?
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Author Comment

by:Bob Sullivan
ID: 41772273
Yes, we do run "Micro focus Rumba client 6.7" on the Window 7 pc's.
With that said,
The OCX is a 32 bit version which maybe the issue, but have been unable to find a definitive answer to that.
I'm also not sure if there is a 64 bit version of the WdMfDsp.ocx control.
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LVL 94

Expert Comment

by:John Hurst
ID: 41772277
OCX files are quite old too. I took a quick look and cannot find a 64-bit version of the above.

Try C:\Windows\SysWOW64 Regsvr32 /u wdmdsp.ocx and see if that works.
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Accepted Solution

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John Hurst earned 500 total points (awarded by participants)
ID: 41772298
It says here (down the page), it is for Windows 7, 8 and 10  (newer than when I used Rumba some years back).

https://www.attachmate.com/products/rumba+/#Common_Specifications

Are you using the newest version (9.4) ?  Can you try uninstalling and installing
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Author Comment

by:Bob Sullivan
ID: 41772336
I did not find the ocx under the sysWow64.    we are running an older version 6.7 on the win7 pc.  I'm try to exhaust all other possibilities before requesting a new version.

thanks for all your idea's I do appreciate it.
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LVL 94

Expert Comment

by:John Hurst
ID: 41772343
You can get Rumba 9.4 is a 64-bit version, so at this point, that is your best answer
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LVL 26

Expert Comment

by:Nick67
ID: 41772508
I did not find the ocx under the sysWow64.
Did you find it under System32?

If so you could try to register is with the command line
C:\Windows\system32\Regsvr32  C:\Windows\system32\wdmdsp.ocx if the upgrade disturbed its registration
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Author Comment

by:Bob Sullivan
ID: 41780471
surprised I did not notice this sooner. apparently when things were migrated to windows 7 they went from using a Rumba fat client on the pc to using a thin client "Micro Focus Win to host" inside of IE.

So now I'm wondering can I control the thin client in IE from VBA code in access?

What this app does is send instruction to the rumba  emulator to run a program, then after the results appear on screen they screen scape parts of the window and write the data into a access table.
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LVL 94

Expert Comment

by:John Hurst
ID: 41800505
You need the newer version of Rumba. Did you try that?
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