functions/Test-SqlConnection.ps1
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Function Test-SqlConnection { <# .SYNOPSIS Exported function. Tests a the connection to a single instance and shows the output. .DESCRIPTION Tests a the connection to a single instance and shows the output. .PARAMETER SqlServer The SQL Server Instance to test connection against .PARAMETER SqlCredential Allows you to login to servers using SQL Logins as opposed to Windows Auth/Integrated/Trusted. To use: $scred = Get-Credential, then pass $scred object to the -SqlCredential parameter. Windows Authentication will be used if SqlCredential is not specified. SQL Server does not accept Windows credentials being passed as credentials. To connect as a different Windows user, run PowerShell as that user. .EXAMPLE Test-SqlConnection sql01 Sample output: Local PowerShell Enviornment Windows : 10.0.10240.0 PowerShell : 5.0.10240.16384 CLR : 4.0.30319.42000 SMO : 13.0.0.0 DomainUser : True RunAsAdmin : False SQL Server Connection Information ServerName : sql01 BaseName : sql01 InstanceName : (Default) AuthType : Windows Authentication (Trusted) ConnectingAsUser : ad\dba ConnectSuccess : True SqlServerVersion : 12.0.2370 AddlConnectInfo : N/A RemoteServer : True IPAddress : 10.0.1.4 NetBIOSname : SQLSERVER2014A RemotingAccessible : True Pingable : True DefaultSQLPortOpen : True RemotingPortOpen : True .NOTES Original Author: Chrissy LeMaire dbatools PowerShell module (https://dbatools.io, clemaire@gmail.com) Copyright (C) 2016 Chrissy LeMaire This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. #> [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [Alias("ServerInstance", "SqlInstance")] [object]$SqlServer, [System.Management.Automation.PSCredential]$SqlCredential ) # Get local enviornment Write-Output "Getting local enivornment information" $localinfo = @{ } | Select-Object Windows, PowerShell, CLR, SMO, DomainUser, RunAsAdmin $localinfo.Windows = [environment]::OSVersion.Version.ToString() $localinfo.PowerShell = $PSVersionTable.PSversion.ToString() $localinfo.CLR = $PSVersionTable.CLRVersion.ToString() $smo = (([AppDomain]::CurrentDomain.GetAssemblies() | Where-Object { $_.Fullname -like "Microsoft.SqlServer.SMO,*" }).FullName -Split ", ")[1] $localinfo.SMO = $smo.TrimStart("Version=") $localinfo.DomainUser = $env:computername -ne $env:USERDOMAIN $localinfo.RunAsAdmin = ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator") # SQL Server if ($SqlServer.GetType() -eq [Microsoft.SqlServer.Management.Smo.Server]) { $SqlServer = $SqlServer.Name.ToString() } $serverinfo = @{ } | Select-Object ServerName, BaseName, InstanceName, AuthType, ConnectingAsUser, ConnectSuccess, SqlServerVersion, AddlConnectInfo, RemoteServer, IPAddress, NetBIOSname, RemotingAccessible, Pingable, DefaultSQLPortOpen, RemotingPortOpen $serverinfo.ServerName = $sqlserver [regex]$portdetection = ":\d{1,5}$" if ($sqlserver.LastIndexOf(":") -ne -1) { $portnumber = $sqlserver.substring($sqlserver.LastIndexOf(":")) if ($portnumber -match $portdetection) { $replacedportseparator = $portnumber -replace ":", "," $sqlserver = $sqlserver -replace $portnumber, $replacedportseparator } } Write-Output "Determining SQL Server base address" $baseaddress = $sqlserver.Split(",")[0] $baseaddress = $baseaddress.Split("\")[0] try { $instance = $sqlserver.Split("\")[1] } catch { $instance = "(Default)" } if ([string]::IsNullOrEmpty($instance)) { $instance = "(Default)" } if ($baseaddress -eq "." -or $baseaddress -eq $env:COMPUTERNAME) { $ipaddr = "." $hostname = $env:COMPUTERNAME $baseaddress = $env:COMPUTERNAME } $serverinfo.BaseName = $baseaddress $remote = $baseaddress -ne $env:COMPUTERNAME $serverinfo.InstanceName = $instance $serverinfo.RemoteServer = $remote Write-Output "Resolving IP address" try { $hostentry = [System.Net.Dns]::GetHostEntry($baseaddress) $ipaddr = ($hostentry.AddressList | Where-Object { $_ -notlike '169.*' } | Select-Object -First 1).IPAddressToString } catch { $ipaddr = "Unable to resolve" } $serverinfo.IPAddress = $ipaddr Write-Output "Resolving NetBIOS name" try { $sessionoptions = New-CimSessionOption -Protocol DCOM $CIMsession = New-CimSession -ComputerName $ipaddr -SessionOption $sessionoption -ErrorAction SilentlyContinue -Credential $SqlCredential $hostname = (Get-CimInstance -CimSession $CIMsession -ClassName Win32_NetworkAdapterConfiguration -Filter "IPEnabled=TRUE").PSComputerName if ([string]::IsNullOrEmpty($hostname)) { $hostname = (nbtstat -A $ipaddr | Where-Object { $_ -match '\<00\> UNIQUE' } | ForEach-Object { $_.SubString(4, 14) }).Trim() } } catch { $hostname = "Unknown" } $serverinfo.NetBIOSname = $hostname if ($remote -eq $true) { # Test for WinRM #Test-WinRM neh Write-Output "Checking remote acccess" winrm id -r:$hostname 2>$null | Out-Null if ($LastExitCode -eq 0) { $remoting = $true } else { $remoting = $false } $serverinfo.RemotingAccessible = $remoting Write-Output "Testing raw socket connection to PowerShell remoting port" $tcp = New-Object System.Net.Sockets.TcpClient try { $tcp.Connect($baseaddress, 135) $tcp.Close() $tcp.Dispose() $remotingport = $true } catch { $remotingport = $false } $serverinfo.RemotingPortOpen = $remotingport } # Test Connection first using Test-Connection which requires ICMP access then failback to tcp if pings are blocked Write-Output "Testing ping to $baseaddress" $testconnect = Test-Connection -ComputerName $baseaddress -Count 1 -Quiet $serverinfo.Pingable = $testconnect # SQL Server connection if ($instance -eq "(Default)") { Write-Output "Testing raw socket connection to default SQL port" $tcp = New-Object System.Net.Sockets.TcpClient try { $tcp.Connect($baseaddress, 1433) $tcp.Close() $tcp.Dispose() $sqlport = $true } catch { $sqlport = $false } $serverinfo.DefaultSQLPortOpen = $sqlport } else { $serverinfo.DefaultSQLPortOpen = "N/A" } $server = New-Object Microsoft.SqlServer.Management.Smo.Server $SqlServer try { if ($SqlCredential -ne $null) { $username = ($SqlCredential.username).TrimStart("\") if ($username -like "*\*") { $username = $username.Split("\")[1] $authtype = "Windows Authentication with Credential" $server.ConnectionContext.LoginSecure = $true $server.ConnectionContext.ConnectAsUser = $true $server.ConnectionContext.ConnectAsUserName = $username $server.ConnectionContext.ConnectAsUserPassword = ($SqlCredential).GetNetworkCredential().Password } else { $authtype = "SQL Authentication" $server.ConnectionContext.LoginSecure = $false $server.ConnectionContext.set_Login($username) $server.ConnectionContext.set_SecurePassword($SqlCredential.Password) } } else { $authtype = "Windows Authentication (Trusted)" $username = "$env:USERDOMAIN\$env:username" } } catch { Write-Exception $_ $authtype = "Windows Authentication (Trusted)" $username = "$env:USERDOMAIN\$env:username" } $serverinfo.ConnectingAsUser = $username $serverinfo.AuthType = $authtype Write-Output "Attempting to connect to $SqlServer as $username " try { $server.ConnectionContext.ConnectTimeout = 10 $server.ConnectionContext.Connect() $connectSuccess = $true $version = $server.Version.ToString() $addlinfo = "N/A" $server.ConnectionContext.Disconnect() } catch { $connectSuccess = $false $version = "N/A" $addlinfo = $_.Exception } $serverinfo.ConnectSuccess = $connectSuccess $serverinfo.SqlServerVersion = $version $serverinfo.AddlConnectInfo = $addlinfo Write-Output "`nLocal PowerShell Enviornment" $localinfo | Select-Object Windows, PowerShell, CLR, SMO, DomainUser, RunAsAdmin Write-Output "SQL Server Connection Information`n" $serverinfo | Select-Object ServerName, BaseName, InstanceName, AuthType, ConnectingAsUser, ConnectSuccess, SqlServerVersion, AddlConnectInfo, RemoteServer, IPAddress, NetBIOSname, RemotingAccessible, Pingable, DefaultSQLPortOpen, RemotingPortOpen } |