[BUG]: Azure PowerShell task fails with Exception calling ".ctor" with "3" argument(s): "Method not found: 'Newtonsoft.Json.JsonSerializerSettings System.Net.Http.Formatting.BaseJsonMediaTypeFormatter.get_SerializerSettings()'."

[BNDKPNTR]

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Task name

AzurePowerShell

Task version

5

Issue Description

The Azure PowerShell task is failing with the following error: Exception calling ".ctor" with "3" argument(s): "Method not found: 'Newtonsoft.Json.JsonSerializerSettings System.Net.Http.Formatting.BaseJsonMediaTypeFormatter.get_SerializerSettings()'.".

The error happened after I have switched my Azure service connection from service principal (manual) to workload identity federation (manual).

Environment type (Please select at least one enviroment where you face this issue)

• Self-Hosted
• Microsoft Hosted
• VMSS Pool
• Container

Azure DevOps Server type

dev.azure.com (formerly visualstudio.com)

Azure DevOps Server Version (if applicable)

No response

Operation system

Windows

Relevant log output

==============================================================================
Task         : Azure PowerShell
Description  : Run a PowerShell script within an Azure environment
Version      : 5.248.3
Author       : Microsoft Corporation
Help         : https://aka.ms/azurepowershelltroubleshooting
==============================================================================
##[command]"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoLogo -NoProfile -NonInteractive -ExecutionPolicy Unrestricted -Command ". 'D:\a\_temp\44a67e4e-e79e-4257-aa1a-cd83110edc30.ps1'"
##[command]Import-Module -Name C:\Modules\az_3.1.0\Az.Accounts\2.2.5\Az.Accounts.psd1 -Global
##[warning]You're using AzureRM which will be retired soon, please schedule an update.
##[debug]Error record:
##[debug]Get-VstsVssHttpClient : Exception calling ".ctor" with "3" argument(s): "Method not found: 'Newtonsoft.Json.JsonSerializerSettings System.Net.Http.Formatting.BaseJsonMediaTypeFormatter.get_SerializerSettings()'."
##[debug]At D:\a\_tasks\AzurePowerShell_72a1931b-effb-4d2e-8fd8-f8472a07cb62\5.248.3\ps_modules\VstsAzureHelpers_\Utility.ps1:234 char:27
##[debug]+ ...   $taskHttpClient = Get-VstsVssHttpClient -OMDirectory $OMDirectory `
##[debug]+                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
##[debug]    + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorException
##[debug]    + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,Get-VstsVssHttpClient
##[debug] 
##[debug]Script stack trace:
##[debug]at Get-VssHttpClient, D:\a\_tasks\AzurePowerShell_72a1931b-effb-4d2e-8fd8-f8472a07cb62\5.248.3\ps_modules\VstsTaskSdk\ServerOMFunctions.ps1: line 486
##[debug]at Get-VstsFederatedToken, D:\a\_tasks\AzurePowerShell_72a1931b-effb-4d2e-8fd8-f8472a07cb62\5.248.3\ps_modules\VstsAzureHelpers_\Utility.ps1: line 234
##[debug]at Initialize-AzSubscription, D:\a\_tasks\AzurePowerShell_72a1931b-effb-4d2e-8fd8-f8472a07cb62\5.248.3\ps_modules\VstsAzureHelpers_\InitializeAzModuleFunctions.ps1: line 378
##[debug]at Initialize-AzModule, D:\a\_tasks\AzurePowerShell_72a1931b-effb-4d2e-8fd8-f8472a07cb62\5.248.3\ps_modules\VstsAzureHelpers_\InitializeAzModuleFunctions.ps1: line 58
##[debug]at <ScriptBlock>, D:\a\_tasks\AzurePowerShell_72a1931b-effb-4d2e-8fd8-f8472a07cb62\5.248.3\CoreAz.ps1: line 33
##[debug]at <ScriptBlock>, D:\a\_temp\44a67e4e-e79e-4257-aa1a-cd83110edc30.ps1: line 3
##[debug]at <ScriptBlock>, <No file>: line 1
##[debug]Exception:
##[debug]Microsoft.PowerShell.Commands.WriteErrorException: Exception calling ".ctor" with "3" argument(s): "Method not found: 'Newtonsoft.Json.JsonSerializerSettings System.Net.Http.Formatting.BaseJsonMediaTypeFormatter.get_SerializerSettings()'."
##[error]Exception calling ".ctor" with "3" argument(s): "Method not found: 'Newtonsoft.Json.JsonSerializerSettings System.Net.Http.Formatting.BaseJsonMediaTypeFormatter.get_SerializerSettings()'."
##[debug]Processed: ##vso[task.logissue source=TaskInternal;type=error]Exception calling ".ctor" with "3" argument(s): "Method not found: 'Newtonsoft.Json.JsonSerializerSettings System.Net.Http.Formatting.BaseJsonMediaTypeFormatter.get_SerializerSettings()'."
##[debug]Exit code: 1
##[debug]Leaving Invoke-VstsTool.
##[error]PowerShell exited with code '1'.

Full task logs with system.debug enabled

tasklog_9.log

Repro steps

[BNDKPNTR]

Hi @v-schhabra, I'm not sure where to update the version of Az.Module, because the error is coming from the Azure PowerShell task itself, before reaching my script.

[v-schhabra]

Hi @BNDKPNTR
Please update the Microsoft hosted agent which you are using in the pipeline?

[BNDKPNTR]

Hi @v-schhabra, I'm using the windows-latest agent, as you can see below: