When installing Management Portal you may encounter the following error - Your administrator has blocked this application because it potentially poses a security risk to your computer. This page explains your options for working around this and getting Management Portal installed. ALL of these suggestions are given with the assumption that you consult with your IT team's security policies before proceeding. Your IT team can refer to this Microsoft article for background information on ClickOnce and what these settings do.
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Our recommended solution. ClickOnce applications downloaded from the internet will need to have a valid code-signing certificate in order to install.
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This will enable Window's default settings. It is what most computers use.
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If your organization is more security conscious you can enable ClickOnce installs for Trusted Sites only.
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The default for most machines is this.
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If you are an administrator, you may find it useful to set the keys through PowerShell rather than manually editing the registry. Below is an example of our recommended solution.
//if key doesn't exist, create it New-Item "HKLM:\SOFTWARE\MICROSOFT\.NETFramework\Security\TrustManager\PromptingLevel" -force | Out-Null //set values Set-Itemproperty -path 'HKLM:\SOFTWARE\MICROSOFT\.NETFramework\Security\TrustManager\PromptingLevel' -Name 'Internet' -value 'Authenticode' Set-Itemproperty -path 'HKLM:\SOFTWARE\MICROSOFT\.NETFramework\Security\TrustManager\PromptingLevel' -Name 'LocalIntranet' -value 'Disabled' Set-Itemproperty -path 'HKLM:\SOFTWARE\MICROSOFT\.NETFramework\Security\TrustManager\PromptingLevel' -Name 'MyComputer' -value 'Disabled' Set-Itemproperty -path 'HKLM:\SOFTWARE\MICROSOFT\.NETFramework\Security\TrustManager\PromptingLevel' -Name 'TrustedSites' -value 'Disabled' Set-Itemproperty -path 'HKLM:\SOFTWARE\MICROSOFT\.NETFramework\Security\TrustManager\PromptingLevel' -Name 'UntrustedSites' -value 'Disabled' |