Public/Connect/Connect-Exchange.ps1
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function Connect-Exchange { param ( [Parameter(Mandatory = $False)] $ExchangeServer, [Parameter(Mandatory = $False)] [Switch] $NoPrefix, [Parameter(Mandatory = $False)] [Switch] $DeleteExchangeCreds, [Parameter(Mandatory = $False)] [Switch] $ViewEntireForest, [Parameter(Mandatory = $False)] [Switch] $NoMessageForPS2 ) $RootPath = $env:USERPROFILE + "\ps\" $KeyPath = $Rootpath + "creds\" $User = $env:USERNAME while (!(Test-Path ($RootPath + "$($user).EXCHServer"))) { Select-ExchangeServer } $ExchangeServer = Get-Content ($RootPath + "$($user).EXCHServer") # Delete invalid or unwanted credentials if ($DeleteExchangeCreds) { Try { Remove-Item ($KeyPath + "$($user).ExchangeCred") -ErrorAction Stop } Catch { $_ Write-Host "Unable to Delete Exchange Password" } Try { Remove-Item ($KeyPath + "$($user).uExchangeCred") -ErrorAction Stop } Catch { $_ Write-Host "Unable to Delete Exchange Username" } } # Create KeyPath Directory if (!(Test-Path $KeyPath)) { try { New-Item -ItemType Directory -Path $KeyPath -ErrorAction Stop | Out-Null } catch { throw $_.Exception.Message } } if (Test-Path ($KeyPath + "$($user).ExchangeCred")) { $PwdSecureString = Get-Content ($KeyPath + "$($user).ExchangeCred") | ConvertTo-SecureString $UsernameString = Get-Content ($KeyPath + "$($user).uExchangeCred") $Credential = Try { New-Object System.Management.Automation.PSCredential -ArgumentList $UsernameString, $PwdSecureString -ErrorAction Stop } Catch { if ($_.exception.Message -match '"userName" is not valid. Change the value of the "userName" argument and run the operation again') { Connect-Exchange -DeleteExchangeCreds Write-Host "***************************************************************************** " -foregroundcolor "darkblue" -backgroundcolor "white" Write-Host " Bad Username. " -foregroundcolor "darkblue" -backgroundcolor "white" Write-Host " Please try your last command again... " -foregroundcolor "darkblue" -backgroundcolor "white" Write-Host "...you will be prompted to enter your on-premises Exchange credentials again. " -foregroundcolor "darkblue" -backgroundcolor "white" Write-Host "***************************************************************************** " -foregroundcolor "darkblue" -backgroundcolor "white" Break } } } else { if (!$NoMessageForPS2) { $Credential = Get-Credential -Message "Enter a username and password for ONPREM EXCHANGE" } else { $Credential = Get-Credential } if ($Credential.Password) { $Credential.Password | ConvertFrom-SecureString | Out-File ($KeyPath + "$($user).ExchangeCred") -Force } else { Connect-Exchange -DeleteExchangeCreds Write-Host "***************************************************************************** " -foregroundcolor "darkblue" -backgroundcolor "white" Write-Host " No Password Present. " -foregroundcolor "darkblue" -backgroundcolor "white" Write-Host " Please try your last command again... " -foregroundcolor "darkblue" -backgroundcolor "white" Write-Host "...you will be prompted to enter your on-premises Exchange credentials again. " -foregroundcolor "darkblue" -backgroundcolor "white" Write-Host "***************************************************************************** " -foregroundcolor "darkblue" -backgroundcolor "white" Break } $Credential.UserName | Out-File ($KeyPath + "$($user).uExchangeCred") } Try { $Session = New-PSSession -Name "OnPremExchange" -ConfigurationName Microsoft.Exchange -ConnectionUri ("http://" + $ExchangeServer + "/PowerShell/") -Authentication Kerberos -Credential $Credential -ErrorAction Stop } Catch { If ($_.exception.Message -match 'user name or password') { Connect-Exchange -DeleteExchangeCreds Write-Host "***************************************************************************** " -foregroundcolor "darkblue" -backgroundcolor "white" Write-Host " Bad Credentials. " -foregroundcolor "darkblue" -backgroundcolor "white" Write-Host " Please try your last command again... " -foregroundcolor "darkblue" -backgroundcolor "white" Write-Host "...you will be prompted to enter your on-premises Exchange credentials again. " -foregroundcolor "darkblue" -backgroundcolor "white" Write-Host "***************************************************************************** " -foregroundcolor "darkblue" -backgroundcolor "white" Break } } If (!$NoPrefix) { $SessionModule = Import-PSSession -AllowClobber -DisableNameChecking -Prefix 'OnPrem' -Session $Session $Null = Import-Module $SessionModule -Global -Prefix "OnPrem" -DisableNameChecking -Force if ($ViewEntireForest) { Set-OnPremADServerSettings -ViewEntireForest:$True } Write-Host "********************************************************************" -foregroundcolor "darkgreen" -backgroundcolor "white" Write-Host " You are now connected to On-Premises Exchange " -foregroundcolor "darkgreen" -backgroundcolor "white" Write-Host " All commands are pre-pended with OnPrem, for example: " -foregroundcolor "darkgreen" -backgroundcolor "white" Write-Host " Get-Mailbox is Get-OnPremMailbox " -foregroundcolor "darkgreen" -backgroundcolor "white" Write-Host " This is to prevent overlap of commands between Office 365 and EXO " -foregroundcolor "darkgreen" -backgroundcolor "white" Write-Host "********************************************************************" -foregroundcolor "darkgreen" -backgroundcolor "white" } else { $SessionModule = Import-PSSession -AllowClobber -DisableNameChecking -Session $Session $Null = Import-Module $SessionModule -Global -DisableNameChecking -Force if ($ViewEntireForest) { Set-ADServerSettings -ViewEntireForest:$True } Write-Host "********************************************************************" -foregroundcolor "darkgreen" -backgroundcolor "white" Write-Host " You are now connected to On-Premises Exchange " -foregroundcolor "darkgreen" -backgroundcolor "white" Write-Host "********************************************************************" -foregroundcolor "darkgreen" -backgroundcolor "white" } } |