Thankfully a smart guy already solved this, in this blog post.
Orchestrator is caching the data returned by the WSDL here:
C:\ProgramData\Microsoft System Center 2012\Orchestrator\Activities\WebServices2\
So after reading the above article, I performed these steps.
- Close 'Runbook Designer'
- Delete those newly created DLLs
- Re-Open 'Runbook Designer'
Hope this helps.
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