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Plug-ins - differences between Target and Image Entity
David Jennaway 14,063
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Customer experience | ...
Understanding error codes
David Jennaway 14,063
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Customer experience | ...
The given key was not present in the dictionary - what it means, and how to avoid it
David Jennaway 14,063
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Customer experience | ...
SQL Server: The instance name must be the same as computer name
David Jennaway 14,063
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Using the Lookup function to create reports on multiple DataSets

With Dynamics 365 Online, the greatest thing I miss compared to OnPremise is the relative limitation on what you can do with reports, as FetchXml is not so powerful as SQL. One option is to use the Data Export Service to get the data into a SQL da...

David Jennaway 14,063
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Solution Layers

In Dynamics 365 Online, you may have recently noticed a new button within an unmanaged solution, 'Solution Layers'. I first saw this appear around 17th Mar 2019, and it's a welcome tool to help understand more what happens with multipl...

David Jennaway 14,063
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Error importing solutions - "The 'options' attribute is invalid"

I hope that this post will be short-lived, and few people need it, but I had an issue today in Dynamics 365 v9.1 (version 1710 (9.1.0.638) for completeness), where a solution file failed to import. The error occurred on initial parsing on the solu...

David Jennaway 14,063
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Plugins in the sandbox, and why you don't get System.Security.Permissions.Secu...

A relatively common error with plugins is "Request for the permission of type 'System.Security.Permissions.SecurityPermission, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed". This is the gene...

David Jennaway 14,063
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What's in a name - CRM, Dynamics 365, CDS

Now that I've restarted posting on this blog, I'm struggling to name the technologies consistently. It used to just be CRM (or Microsoft CRM, or Dynamics CRM, or Microsoft Dynamics CRM), but now it's Dynamics 365, or Dynamics 365 for C...

David Jennaway 14,063
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Common Data Services Architecture in CDS 2.0

I struggled to think of a good title for this post, and I hope to change it to something more inspirational, as this is a very significant topic.Microsoft have made several recent announcements in March 2018, but for me the most significant is the...

David Jennaway 14,063
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Concurrent or Consistent - or both

A lesser-known feature that CRM 2016 brought to us is support for optimistic concurrency in the web service API. This may not be as exciting as some features, but as it's something I find exciting, I thought I write about it.Am I an optimistSo...

David Jennaway 14,063
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Plugin pre-stages - some subtleties

The CRM SDK describes the main differences in plug stages here. However, there are some additional differences between the pre-validation and pre-operation stages that are not documented.Compound OperationsThe CRM SDK includes some compound operat...

David Jennaway 14,063