SPD 2013 WF Error: Maximum number of arguments per activity (50).

Question

Hi,
We have hit a limit with using variables in SPD Designer workflow in SP2013. The following is the error message that we receive:
"Microsoft.Workflow.Client.ActivityValidationException: Workflow XAML failed validation due to the following errors: Activity 'DynamicActivity' has 52 arguments, which exceeds the maximum number of arguments per activity (50)."
The following thread >>here
did provide a solution but we need a solution that's based on Powershell or Server Object Model. Is there an approach for changing the variable limit for workflows with Server Object Model/Powershell?
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Answer 1

Hi Vikram,
as i know if you want to change this, there is no other way then to update the database directly, that we strongly not recommend this to be done.
they may not have any powershell or server object modal command to update the database value directly, instead you need to try on your environment, here is the example to access sql from powershell:
http://technet.microsoft.com/en-us/magazine/hh289310.aspx
to check the database, you can use the database explorer to develop the code:
http://moresharepoints.blogspot.in/2014/01/sharepoint-designer-2013-workflow-error.html
Regards,
Aries
Microsoft Online Community Support
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