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Resolved PowerBuilder RunTime Error

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  1. Tamilselvan Ramesh
    Tamilselvan Ramesh
  2. PowerBuilder
  3. Tuesday, 13 October 2020 02:24 AM UTC

Hi All,

I am using power builder 2019 application, it works properly once deployed in local PC. If it is deployed in citrix server (windows 2016 server, windows 10 OS) some times it is working fine, but if windows security patch updates happen in citrix server, once logged into application it is reverting back to login page.

When I check with code block, DDE function was affecting if window security patch happen in citrix server.. once removed affecting security patch, it is working.

Not all windows security patch affecting application components, only few of them..

But it cause application impact..

Could you please advice how to resolve this issue..


Local PC: windows 10
Citrix server: Windows 2016 server, windows 10 OS
Application code built : PowerBuilder 2019

  1. PowerBuilder Runtime
2019 r2 64 bit application crashes at startup
PB7 on Win10 will not build an exe
Responses (2)
Tamilselvan Ramesh
Tamilselvan Ramesh Accepted Answer Pending Moderation
  1. Tuesday, 13 October 2020 02:50 AM UTC
  2. PowerBuilder
  3. # 1

Could you please confirm DDE call for not Microsoft apps but the ones internally developed by using PowerBuilder...

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Armeen Mazda @Appeon
Armeen Mazda @Appeon Accepted Answer Pending Moderation
  1. Tuesday, 13 October 2020 02:38 AM UTC
  2. PowerBuilder
  3. # 2

I think you may have to bite the bullet and remove DDE.  DDE is obsolete feature for decades and has security risks.  Microsoft has been clamping down on DDE.

Keep in mind that your Windows OS will keep updating in the future so even you get this running again today it is ticking time bomb.  

 

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Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Tuesday, 13 October 2020 20:12 PM UTC
Hi Tamilselvan ;

FWIW: I have a few Test Case DDE Apps that I still keep around that use DDE from PB App1 to PB App2. In the older W10 build 18363, the DDE to DDE PB Apps work OK. However, in my newer W10 Test PC's using build 19041 they fail. So it's not only PB App to MS-Office (or what ever external App), latest MS-Windows O/S changes are now also affecting PB to PB App DDE.

As Armeen said ... Microsoft has deprecated DDE many, many years ago. So basically its a "use at own risk" technology. HTH

Regards ... Chris
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Tamilselvan Ramesh
  1. Tamilselvan Ramesh
  2. Tuesday, 27 October 2020 03:19 AM UTC
Hi Chris,

Thanks for response..



In my PB application, I am using execremote, getremote function of DDE call..

By using this function, just triggering the application .exe components..

Could you please advise instead of this function which one is better to use in power builder 2019...
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Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Tuesday, 27 October 2020 20:46 PM UTC
This discussion should be of interest ....

https://community.appeon.com/index.php/qna/q-a/dde-replacement-best-candidate
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