Connect-ExchangeOnline.ps1
function Connect-ExchangeOnline { [CmdletBinding()] param( [Parameter( ValueFromPipeline = $true, Mandatory = $true, HelpMessage = 'Credentials in Azure AD to access Office 365.' )] [System.Management.Automation.Credential()] [PSCredential]$Credential ) if ($null -ne (Get-ExchangeOnlineSession)) { if (Get-Command -Name 'Get-Mailbox' -ErrorAction SilentlyContinue) { Write-Verbose -Message 'Exchange Online PowerShell session already existis.' -Verbose Write-Verbose -Message 'Disconnect from the current session to start a new one.' return } else { Write-Warning -Message 'Exchange Online is not available on the target Office 365 tenant' return } } try { $null = New-PSSession -ConfigurationName Microsoft.Exchange ` -Name 'ExchangeOnline' ` -ConnectionUri 'https://outlook.office365.com/powershell-liveid/' ` -Credential $Credential ` -Authentication Basic ` -AllowRedirection ` -ErrorAction Stop ` -WarningAction SilentlyContinue ` -Verbose:$false } catch { Write-Warning -Message ('Unable to create PSSession to Exchange Online - {0}' -f $_.Exception.Message) return } try { $null = Import-Module ` (Import-PSSession -Session (Get-ExchangeOnlineSession) -DisableNameChecking -AllowClobber -ErrorAction Stop -WarningAction SilentlyContinue -Verbose:$false) ` -DisableNameChecking ` -Global ` -ErrorAction Stop ` -WarningAction SilentlyContinue ` -Verbose:$false } catch { Write-Warning -Message ('Unable to load PSSession for Exchange Online - {0}' -f $_.Exception.Message) return } } |