Public/Permissions/Get-DGPerms.ps1
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Function Get-DGPerms { <# .SYNOPSIS By default, creates permissions reports for all DGs with SendAs & SendOnBehalf. Switches can be added to isolate one or more reports Creates individual reports for each permission type (unless skipped), and a report that combines all CSVs in chosen directory. The combined report will be called, DGAllPermissions.csv If same Report Path is chosen, existing files will be overwritten. CSVs headers: "Object","UPN","Granted","GrantedUPN","Permission" .EXAMPLE Get-MailboxPerms -ReportPath C:\PermsReports -Verbose .EXAMPLE Get-MailboxPerms -ReportPath C:\PermsReports -SkipFullAccess -Verbose .EXAMPLE Get-MailboxPerms -ReportPath C:\PermsReports -SkipSendOnBehalf -Verbose .EXAMPLE Get-MailboxPerms -ReportPath C:\PermsReports -PowerShell2 -ExchangeServer "ExServer01" -Verbose ***ONLY PS2: When running from PowerShell 2 (Exchange 2010 Server)*** ***FIRST***: Be sure to dot-source the function with the below command (change the path): Get-ChildItem -Path "C:\scripts\Posh365\" -filter *.ps1 -Recurse | % { . $_.fullname } It is normal to see errors when running the above command, as some of the functions (that aren't needed here) do not support PS2 #> [CmdletBinding(SupportsShouldProcess = $true)] param ( [Parameter(Mandatory = $true)] [System.IO.FileInfo] $ReportPath, [Parameter()] [switch] $SkipSendAs, [Parameter()] [switch] $SkipSendOnBehalf, [Parameter()] [switch] $PowerShell2, [Parameter()] [string] $ExchangeServer ) Try { import-module activedirectory -ErrorAction Stop } Catch { Write-Host "This module depends on the ActiveDirectory module." Write-Host "Please download and install from https://www.microsoft.com/en-us/download/details.aspx?id=45520" throw } $RootPath = $env:USERPROFILE + "\ps\" $KeyPath = $Rootpath + "creds\" $User = $env:USERNAME Get-PSSession -ErrorAction SilentlyContinue | Where-Object { ($_.name -eq "OnPremExchage" -or $_.name -like "Session for implicit remoting module at*") -and ($_.availability -ne "Available" -and $_.State -ne "Opened")} | ForEach-Object {Remove-PSSession $_.id} if ($PowerShell2) { Write-Warning "**************************************************************************************************" Write-Warning " You have selected -PowerShell2 which indicates that you are running this from PowerShell 2 " Write-Warning "If you haven't already, make sure to dot-source the functions with this command (change the Path):" Write-Warning " Get-ChildItem -Path `"C:\scripts\Posh365\`" -filter *.ps1 -Recurse | % { . `$_.fullname } " Write-Warning " It is normal to see errors when running the above command " Write-Warning "**************************************************************************************************" if (!$ExchangeServer) { Write-Warning "********************************************************************************************" Write-Warning " Re-Run the command specifying the -ExchangeServer parameter " Write-Warning "ex. Get-MailboxPerms -ReportPath C:\PermsReports -PowerShell2 -ExchangeServer `"ExServer01`"" Write-Warning " Script is terminating " Write-Warning "********************************************************************************************" throw } if (Get-PSSession -ErrorAction SilentlyContinue | Where-Object { ($_.name -eq "OnPremExchage" -or $_.name -like "Session for implicit remoting module at*") -and ($_.availability -ne "Available" -and $_.State -ne "Opened")}) { Connect-Exchange -ExchangeServer $ExchangeServer -ViewEntireForest -NoPrefix -NoMessageForPS2 } } else { while (!(Test-Path ($RootPath + "$($user).EXCHServer"))) { Select-ExchangeServer } $ExchangeServer = Get-Content ($RootPath + "$($user).EXCHServer") if (Get-PSSession -ErrorAction SilentlyContinue | Where-Object { ($_.name -eq "OnPremExchage" -or $_.name -like "Session for implicit remoting module at*") -and ($_.availability -ne "Available" -and $_.State -ne "Opened")}) { Connect-Exchange -ExchangeServer $ExchangeServer -ViewEntireForest -NoPrefix } } New-Item -ItemType Directory -Path $ReportPath -ErrorAction SilentlyContinue $DomainNameHash = Get-DomainNameHash Write-Verbose "Importing Active Directory Users that have at least one proxy address" $AllADUsers = Get-ADUsersWithProxyAddress -DomainNameHash $DomainNameHash Write-Verbose "Caching hash table. LogonName as Key and Values of DisplayName & UPN" $ADHash = $AllADUsers | Get-ADHash Write-Verbose "Caching hash table. DN as Key and Values of DisplayName, UPN & LogonName" $ADHashDN = $AllADUsers | Get-ADHashDN Write-Verbose "Caching hash table. CN as Key and Values of DisplayName, UPN & LogonName" $ADHashCN = $AllADUsers | Get-ADHashCN Write-Verbose "Retrieving distinguishedname's of all Exchange Distribution Groups" $AllDGDNs = Get-Recipient -RecipientTypeDetails 'MailUniversalDistributionGroup', 'MailUniversalSecurityGroup' | Select -ExpandProperty distinguishedname if (! $SkipSendAs) { Write-Verbose "Getting SendAs permissions for each mailbox and writing to file" $AllDGDNs | Get-SendAsPerms -ADHashDN $ADHashDN -ADHash $ADHash | Select Mailbox, UPN, Granted, GrantedUPN, Permission | Export-csv (Join-Path $ReportPath "DGSendAsPerms.csv") -NoTypeInformation } if (! $SkipSendOnBehalf) { Write-Verbose "Getting SendOnBehalf permissions for each mailbox and writing to file" $AllDGDNs | Get-SendOnBehalfPerms -ADHashCN $ADHashCN | Select Mailbox, UPN, Granted, GrantedUPN, Permission | Export-csv (Join-Path $ReportPath "DGSendOnBehalfPerms.csv") -NoTypeInformation } $AllPermissions = $null $Report = $ReportPath.ToString() $Report = $Report.TrimEnd('\') + "\*" $AllPermissions = Get-ChildItem -Path $Report -Include "DGSendAsPerms.csv", "DGSendOnBehalfPerms.csv" -Exclude "DGAllPermissions.csv" | % { Import-Csv $_ } $AllPermissions | Export-Csv (Join-Path $ReportPath "DGAllPermissions.csv") -NoTypeInformation Write-Verbose "Combined all CSV's into a single file named, DGAllPermissions.csv" } |