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CRM 2016 Plugin for update works only during debug, not in normal operation.

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Posted on by Community Member Microsoft Employee

What could cause this plugin to work only in debug mode?

I created a C# plugin for on-premise CRM. I register the assembly in "sandbox" mode because eventually this CRM will be hosted online and my plugins must work in that environment.

The plugin code checks several fields and can cause the modified contact record to update multiple times such that workflow processes in CRM will trigger.

With the plugin registered, I update a contact record and the expected updates do not happen.

I did the following:

started profiling on my plugin step
changed a contact and saved
saved the error text
stopped profiling
started debug
attach Visual Studio
step through the code
2 updates to the contact record are initiated by the code
2 updates to the contact record occur in CRM which I verify by viewing the record in the browser
the plugin code finishes with no exceptions

Registration info:

1263.a.png

I add a step to handle the update message and watch for a single field to change.

8625.b.png

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Community Member Microsoft Employee on at

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RE: CRM 2016 Plugin for update works only during debug, not in normal operation.

After tracing the code, there was no traces written telling me the code was never triggered. The field I was watching was a calculated field and that was not causing the step to execute. When I tested with a different field, then it worked. So I learned that neither workflows, nor plugin steps can trigger from calculated fields.