How to fix: Method 'get_SerializationSettings' does not have an implementation

Question

I just wanted to automate this powershell script to activate Sftp for BlobStorage only for half an hour in the evening using the automation account:

$resourceGroupName = "xxxx"
$storageAccountName = "yyyyy"

Set-AzStorageAccount -ResourceGroupName $resourceGroupName -Name $storageAccountName -EnableSftp $true

It's quit simple and it's running fine in the cloud shell.

First i did import the two modules Az.Accounts (2.12.3) and Az.Storage (5.7.0) into the automation account.

RuntimeVersion is 5.1.

But now i get the following error:

Set-AzStorageAccount : Method 'get_SerializationSettings' in type 'Microsoft.Azure.Management.Internal.Resources.ResourceManagementClient' from assembly 'Microsoft.Azure.PowerShell.Clients.ResourceManager, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation. At line:4 char:1 + Set-AzStorageAccount -ResourceGroupName $resourceGroupName -Name $sto ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [Set-AzStorageAccount], TypeLoadException + FullyQualifiedErrorId : System.TypeLoadException,Microsoft.Azure.Commands.Management.Storage.SetAzureStorageAccountCommand

And for sure: I do not use AzureRM-Cmdlets.

Answer 1

@Rainer Börgerding | puls Manufaktur Welcome to Microsoft Q & A Community Forum. We noticed there are some issues while upgrading to Az.Accounts version 2.12.2 or upgrading to a newer version with dependencies on Az.Accounts version 2.12.2, we recommend you use Az.Accounts version 2.12.1 or lower to avoid issues with Az modules that are dependent on Az.Accounts. For more information, see steps to import module with specific versions.

Answer 2

For me, using PowerShell ISE sorted it out.

Answer 3

Does this also affect Windows Admin Center and the Extensions, we are trying to deploy AKS but get the same error

An error occurred while applying Azure registration configurations(connect Azure account and set subscription, resource group and region) on the host. Error: Method 'get_SerializationSettings' in type 'Microsoft.Azure.Management.Internal.Resources.ResourceManagementClient' from assembly 'Microsoft.Azure.PowerShell.Clients.ResourceManager, Version=1.0.0.0, Culture=neutral, PublicKeyToken=####' does not have an implementation.

Is there a way to downgrade the extensions in WAC also?

The version of Extension we have for AKS is 2.156.0

Answer 4

I got the same exception when trying to fetch secrets from a key vault using Get-AzureKeyVaultSecret.
As I didn't want to use a specific, older, version of Az.Accounts, I investigated further and found that especially the second command in below code block solved the issue for me:

Remove-Module AzureRM.Profile -Force -ErrorAction SilentlyContinue  # AzureRM causes a conflict with Az modules
Enable-AzureRmAlias -Scope CurrentUser -ErrorAction SilentlyContinue  # solves type implementation exception

if (!(Get-Module -ListAvailable -Name Az.Accounts)) {
  Install-Module -Name Az.Accounts -Repository PSGallery -AllowClobber -Force -Scope CurrentUser  
} 
if (!(Get-Module -ListAvailable -Name Az.KeyVault)) {
  Install-Module -Name Az.KeyVault -Repository PSGallery -AllowClobber -Force -Scope CurrentUser 
} 

Import-Module Az.Accounts
Import-Module Az.KeyVault