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Support Article

Regarding SilverLight Pre-Requisite Push

SA-9780

Summary



SilverLight Pre-Requisites are not pushed from the PRPC server, when trying to open any Microsoft Office(MS Word) interface from PRPC.
The Word document is not getting generated inspite of having Microsoft SiIverLight control installed. The Word document generates only when the pre-requisites are installed manually , can this be pushed on the client system on demand?


1.Silverlight pre-requisites can they be pushed automatically form the PRPC server for installation.

2.What is the purpose of this SLpreReqs.msi as it acts the main interfaces to open the Microsoft word using a silver light control.

3. Can this msi file be installed as a separate package tool, as users are in thousands of number ,so manual installation cannot be done by each user and the environment being used is a secured environment.

4. Any documentation/PDN source available that explains more about this msi function for Silverlight?

5. If there is Silverlight version already available, the pre-requisites are not being pushed by the PRPC

6. The changes that are required to Run Silverlight in the registry.


Error Messages



No error messages are displayed, word document is not generated.

Steps to Reproduce



Step1: Install Silverlight without any pre-requisites.
Step2: Try to generate a word document, the word document is not generated.



Resolution



Answer1. When the client browser doesn't have prerequisites installed, PRPC notifies to install them.

Answer 2. yes, It acts as an interface between PRPC and MS-Word.

Answer 3.  PRPC provides pzSLpreReqs.cab, which can be installed on systems. (https://pdn.pega.com/sites/default/files/help_v71/howto/howto2/howtosupportwordmerge.htm)

Answer 4. https://pdn.pega.com/release-note/word-merge-support-with-microsoft-silverlight-plug-in

Answer 5.  If silverlight is installed and PRPC prerequisites are not present, then it will prompt to install. Else it will not prompt.

Answer 6.  Both registry "AllowLaunchOfElevatedTrustApps" and "AllowElevatedTrustAppsInBrowser" must be set to 0x00000001 (enabled) to allow Silverlight to run.

For more information, refer to the PDN link:
https://pdn.pega.com/sites/default/files/help_v71/howto/howto2/howtosupportwordmerge.htm

Published June 12, 2015 - Updated October 8, 2020

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