Dynamics CRM Plug-In Development by using Mutex

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Posted on by Winston

Dear Experts,

I am trying to develop autonumber plugin using Mutex in an online CRM instance but while running the plugin getting the below error:

Unhandled exception:
Exception type: System.ServiceModel.FaultException`1[Microsoft.Xrm.Sdk.OrganizationServiceFault]
Message: An error occured in Autonumber pluginSystem.MethodAccessException: Attempt by security transparent method 'AutoNumber.Class1.Execute(System.IServiceProvider)' to access security critical method 'System.Threading.Mutex..ctor(Boolean, System.String)' failed.

Assembly 'AutoNumber, Version=1.0.0.0, Culture=neutral, PublicKeyToken=ec05ba87d2fba43a' is partially trusted, which causes the CLR to make it entirely security transparent regardless of any transparency annotations in the assembly itself. In order to access security critical code, this assembly must be fully trusted.

Plugin in registered in sandbox mode.

Thanks in Advance.

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Prashant_ 1,040 on at

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Hi,

If you are using latest version then you can create auto number field.You have to execute simple code in console to generate such field because UI not available for it .Following link will help you

docs.microsoft.com/.../create-auto-number-attributes 

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a33ik 84,331 Most Valuable Professional on at

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Hello,

Sandboxing doesn't allow some assemblies/namespaces to be used. It seems that Mutex is in the list of not-allowed classes. You will have to use different approach for it.

You will have to use different approach to implement locking - www.akaes.com/.../how-to-implement-robust-auto-numbering-using-transactions-in-microsoft-dynamics-crm

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Winston on at

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Hi Prashant,

Thank you for the reply.

In our scenario, we have 5 different sequential numbers for single entity based on the business unit type. for ex., BU1001, BU2001, BU3001, BU4001, BU5001 are 5 different sequential numbers based on the business unit user belongs to. does the auto-number attributes support these scenario.

Regards

Winston

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Prashant_ 1,040 on at

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Hi Winston,

Unfortunately your requirement cannot be achieve using auto number attribute.You have to work on your plugin now and solve issue. Andrew Butenko gave you solution may be that will help you.

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