Tag: Microsoft Dynamics 365

ILMerge / Dependent Assemblies in Plugin – System.IO.FileNotFoundException: Could not load file or assembly ‘System.Memory.Data’ – Dynamics 365 / Dataverse


Recently in one of our Plugins, which was using Azure.Storage.Blobs and Azure.Storage.Common libraries to move attachments from notes to Azure Blob Storage suddenly started throwing the below exception. The Plugin had been working fine and had been deployed long back to the production environment.

System.TypeInitializationException: The type initializer for ‘Azure.Response’ threw an exception. —> System.IO.FileNotFoundException: Could not load file or assembly ‘System.Memory.Data, Version=1.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51’ or one of its dependencies. The system cannot find the file specified.

We raised the Microsoft Support for it and were informed that the reason for this was there was a platform update over that particular weekend to stop loading the “System.Memory.Data” assembly on the plugin server. And as we hadn’t included that assembly in our package (ILMerge), we started getting the exception.

Also as per Microsoft Docs


So the quick fix at that time was to include (set Copy Local as True) for that System.Memory.Data along with Azure assemblies.

Also now we can look into using Plugin Package to package the dependent assemblies.

Hope it helps..

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The plug-in execution failed because the Sandbox Worker process crashed. This is typically due to an error in the plug-in code – Dataverse / Dynamics 365


Recently we got the below exception for one of our plugins.

Message: The plug-in execution failed because the Sandbox Worker process crashed. This is typically due to an error in the plug-in code. Please refer to this document: https://go.microsoft.com/fwlink/?linkid=2189390
Microsoft.Xrm.RemotePlugin.Grpc.ExceptionHandlers.SandboxFabricWorkerCommunicationException: Error communicating with SandboxFabric Worker —> Grpc.Core.RpcException: Status(StatusCode=”DeadlineExceeded”, Detail=”Deadline Exceeded”

If we refer to Microsoft Documentation below seems to be the cause of the issue in our case.

In our scenario, we had a Plugin that was Asynchronous and it was triggered on the Post Update of Work Order Service task. The plugin will fetch all the attachments (to notes associated with inspection attachments > inspection response > work order service task). There were many Service Tasks having more than 20 attachments exceeding 100 mb size total.

We were doing bulk updates which triggered the plugin creating too many requests eventually leading to that error.

Get more details – Error “Sandbox Worker Process Crashed”

Also, check – https://cloudblogs.microsoft.com/dynamics365/it/2017/02/20/microsoft-dynamics-365-online-asynchronous-service-quotas/

Fixed – System.InvalidOperationException: Message size exceeded when attempting to send response to sandbox. Message Size 123 Mb. Max Allowed 128974848 Mb (Dataverse / Dynamics 365 )

Hope it helps..

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Only notes are available in Offline mode. Please check your internet connection to view other timeline records – Dataverse / Dynamics 365


We were recently exploring the Dynamics 365 Field Service mobile app, we saw that for the users with a mobile offline profile configured – Add the user to an offline profile, when they go offline they will see the below message –

“Only Notes are available in offline mode. If you would like to view your other items, please reconnect to online mode when possible”. 

What it means is that if users go offline, only the Notes records (along with the attachment) will be available on the timelines. The users can also add/remove attachment in the offline mode. This capability was added as part of the 2019 Release Wave 2

Offline Supported Capabilities –

Hope it helps..

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Fixed – Duplicate records in Azure Synapse Link (Dataverse)


Recently for some of our Dataverse environments, we found duplicate records getting created (same GUID) for Notes and Work Order Incident tables in the corresponding CSV files.

Here we were using In place update – In-place updates vs. append-only writes

This was causing the Power BI reports built on top of it to fail.

On raising the ticket, the Microsoft Support team mentioned that this is a known bug for certain regions, and they immediately ran the de-duplication scripts in the background which quickly fixed the issue for us. Also, they specified they will be deploying the fix for the issue in the coming days.

Hope it helps..

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Block unmanaged customizations (preview) – Dataverse / Dynamics 365


We were recently trying out the new block unmanaged customizations feature introduced.

Now with more and more adoption of Managed Solutions, having this feature could help the administrators to manage and control the environment.

It is still in preview, with its sets of known limitations.

To see it in action, enable it from Environment >> [Environment] >> Settings >> Features

With this feature enabled, although we can create and export unmanaged solutions in the environment, we cannot

create a new table

Or create a new column or any other unmanaged solution component

Import an unmanaged solution –

Update a form (i.e. adding unmanaged changes to existing managed components)

On trying to update a Plugin Step –

Get full details here

Hope it helps..

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Exploring Pascalcase Data Mask App for masking data for Dynamics 365 and Power Platform Environments


You have probably used the copy environment feature in the Microsoft Power Platform admin centre to copy data and customizations between environments.


However, there is a crucial aspect to consider data privacy and security. When transferring data, especially to sandbox environments which typically have less stringent access controls, there is an inherent risk of sensitive information becoming exposed to unauthorized personnel. Such scenarios pose a threat to compliance with stringent data privacy regulations, including GDPR, HIPAA, and CCPA.

However, there is no out-of-box to mask data. Here comes Datamask App which helps with data protection by replacing sensitive information with dummy data.

Diving into the Strength of Data Masking

In the Power Platform sandbox environments, developers, and testers often grapple with the challenge of handling real data without compromising privacy and security. The Data Mask App steps in as a powerful solution to this dilemma. Its primary mission? To mask, anonymize, and obfuscate Dataverse data, offering a shield against potential data breaches.

How does Data Mask app work?


  • You can download the app from Microsoft AppSource, Download Data Mask app, and the app is available as managed solution.
  • Upon importing the solution, you need to configure the data mask app.
  • With configuration, users can selectively mask specific fields, choosing from options, such as replacing with dummy names, generating random strings, or employing asterisks for a discreet approach.


    Configuration settings for masking Account number field in Account table.

  • Various configuration options for table records provide versatile ways to protect sensitive data configurations, it collectively empowers users to customize data protection strategies based on specific needs and compliance requirements.
  • This dynamic approach ensures that sensitive information, like full names and contact details, is transformed into a secure and privacy-preserving version while retaining its integrity.
  • When a data mask run is created the masking process starts and we can track the masking of records in the logs section.


Free plan and paid plan

If you would like to test, there is a ‘Test Drive’ option. Otherwise, you can install the app in your environment, but there is a 1000-record limit. If you would like to buy the tool, you can contact https://pascalcase.com for a license.

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