Under the file ->
C:\Program Files\Citrix\Receiver Storefront\Services\CredentialWallet\ Citrix.DeliveryServices.CredentialWallet.ServiceHost.exe.config
<runtime>
<!– Set enabled=false, if this machine does not have external access to the internet –>
<generatePublisherEvidence enabled=”false”/>
</runtime>
NOTE: Make sure there are no white spaces within the Citrix.DeliveryServices.CredentialWallet.ServiceHost.exe.config file
