Public/Connect-Exchange.ps1
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function Connect-Exchange { [CmdletBinding()] param( [string] $SessionName = 'Evotec', [string] $ConnectionURI = 'http://ex2013x3.ad.evotec.xyz/Powershell', # https://outlook.office365.com/powershell-liveid/ [ValidateSet("Basic", "Kerberos")][String] $Authentication = 'Kerberos', [string] $Username, [string] $Password, [switch] $AsSecure, [switch] $FromFile ) if ($FromFile) { if (Test-Path $Password) { Write-Verbose "Connect-Exchange - Reading password from file $Password" if ($AsSecure) { $NewPassword = Get-Content $Password | ConvertTo-SecureString #Write-Verbose "Connect-Exchange - Password to use: $Password" } else { $NewPassword = Get-Content $Password #Write-Verbose "Connect-Exchange - Password to use: $Password" } } else { Write-Warning "Connect-Exchange - Secure password from file couldn't be read. File not readable. Terminating." return } } else { $NewPassword = $Password } if ($UserName -and $NewPassword) { if ($AsSecure) { $Credentials = New-Object System.Management.Automation.PSCredential($Username, $NewPassword) #Write-Verbose "Connect-Exchange - Using AsSecure option with Username $Username and password: $NewPassword" } else { $SecurePassword = $Password | ConvertTo-SecureString -asPlainText -Force $Credentials = New-Object System.Management.Automation.PSCredential($Username, $SecurePassword) #Write-Verbose "Connect-Exchange - Using AsSecure option with Username $Username and password: $NewPassword converted to $SecurePassword" } } $ExistingSession = Get-PSSession -Name $SessionName -ErrorAction SilentlyContinue if ($ExistingSession.Availability -eq 'Available') { foreach ($Session in $ExistingSession) { if ($Session.Availability -eq 'Available') { Write-Verbose "Connect-Exchange - reusing session $($ExistingSession.ComputerName)" return $Session } } } else { Write-Verbose "Connect-Exchange - Creating Session to URI: $ConnectionURI" $SessionOption = New-PSSessionOption -SkipRevocationCheck -SkipCACheck -SkipCNCheck -Verbose:$false try { if ($Credentials) { Write-Verbose 'Connect-Exchange - Creating new session using Credentials' $Session = New-PSSession -Credential $Credentials -ConfigurationName Microsoft.Exchange -ConnectionUri $ConnectionURI -Authentication $Authentication -SessionOption $sessionOption -Name $SessionName -AllowRedirection -ErrorAction Stop -Verbose:$false } else { Write-Verbose 'Connect-Exchange - Creating new session without Credentials' $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri $ConnectionURI -Authentication $Authentication -SessionOption $sessionOption -Name $SessionName -AllowRedirection -Verbose:$false -ErrorAction Stop } } catch { $Session = $null $ErrorMessage = $_.Exception.Message -replace "`n", " " -replace "`r", " " Write-Warning "Connect-Exchange - Failed with error message: $ErrorMessage" } return $Session } } |