Powershell Access Denied Error Handling
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Answered by: How to handle Access denied exceptions in powershell Scripting > powershell catch access denied exception The Official Scripting Guys Forum! Question 0 Sign in to vote Hi, I am running powershell script to gather powershell break cpu core information of remote machines. I am taking output in a file, but some of the machines are throwing access denied error, and my script is getting stop without generating any output file of successful machines. I want
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the script to bypass the error machine and move on to next machine in the list.along withmaking an error output log having problem machine name. here is my code- $path= "C:\myscript\" $computers=Get-Content $path\servers.txt for ($a=1; $a -lt 500; $a++) { Write-Progress -Activity "collecting information.............." -Status "Please wait" } write-host "Collecting CPU info................" $Cpuinfo=Get-WmiObject win32_processor -computername $computers -ErrorAction SilentlyContinue |Select-Object numberofcores, numberoflogicalprocessors, deviceid, systemname $error | foreach {$_.Exception.Message | Out-String} | Out-File c:\error.csv -append $cpuinfo | Export-Csv $path\cpuinfo.csv here is the error- Get-WmiObject : Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)) At C:\My Tools\scripts\Copy of cpuinfo.ps1:38 char:23 + $Cpuinfo=Get-WmiObject <<<< win32_processor -computername $computers -ErrorAction STOP |Select-Object numberofcores, numberoflogicalprocessors, deviceid, systemname + CategoryInfo : NotSpecified: (:) [Get-W
for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Ask a Question Ask for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Expand Search Submit Close powershell erroractionpreference Search Login Join Today Products BackProducts Gigs Live Careers Vendor Services Groups Website Testing Store powershell array Headlines Experts Exchange > Questions > Need a routine that allows me to Catch an "Access is Denied" Error Want to Advertise Here? Solved Need a routine that allows me to Catch an "Access is Denied" Error Posted on 2010-02-25 Powershell 2 Verified Solutions 14 Comments 1,906 Views Last Modified: 2012-06-27 I'm new to Powershell. So, I'm trying to write a https://social.technet.microsoft.com/Forums/scriptcenter/en-US/9f31e162-891a-4604-a23b-fca18fc76a5c/how-to-handle-access-denied-exceptions-in-powershell?forum=ITCG simple routine to connect to multiple computers via a text file and return the results to an Excel spreadsheet. If there's a WMI Object error, write that to Excel as well. I simply want to connect to WMI, retrieve data from the Win32_BIOS Class and write to Excel. Looks like my Switch statement isn't working as expected. It's borrowed code to help me understand syntax. The error message I get displayed is this : Access is https://www.experts-exchange.com/questions/25204827/Need-a-routine-that-allows-me-to-Catch-an-Access-is-Denied-Error.html denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)) At :line:15 char:27 + $results = Get-WmiObject <<<< -Class Win32_Bios -ComputerName $i But, it never hits the Switch statement and starts back at the beginning of the script. Please see code below to help me figure out how to write this better. Also, not sure what the "e" is supposed to do in the Hash Tables below. Explanation on that would help as well. Thank you Experts, Wallace $args = Read-Host "Please pass in your serverlist text file." $args = Get-Content $args # Create an empty array to hold connection results $obj = @() #Set error action to silent. We'll handle the error's ourselves. $ErrorActionPreference = "SilentlyContinue" While ($args -ne "") { ForEach ($i In $args) { Write-Verbose -Message "querying $i ..." -Verbose "ComputerName: " + $i + "`n" + "============================="; $results = Get-WmiObject -Class Win32_Bios -ComputerName $i # If there was an error while attempting to make a GWMI Call, there will only be one error. # We check that error to help annotate why we were unsuccessful Switch -regex ($Error.Exception) { "The RPC Server is unavailable" { Write-Warning "RPC Unava
replies, has 4 voices, and was last updated by Rohn Edwards 7 months, 3 weeks ago. Author Posts March 2, 2016 at 10:33 am #35948 Partho Sankar RoyParticipant Hi Guys, I am trying to query for a https://powershell.org/forums/topic/error-handling-during-get-acl-access-denied/ list of users/groups having access to some shared location. However in some folders even administrator doesnt have permission, So the script I have come up with will skip those files/folders, but I am not sure why its not logging in to error.log. Any idea ? $success = @() $failed = @() gci $vStartingPath -recurse| foreach-object { $success = @() $failed = @() foreach-object { if (get-acl $_.fullname){ $success += get-acl access denied $_.fullname |select pschildname, pspath, accesstostring } else {$failed += "Failed to get ACL on $($_.fullname)"} } $success | export-csv "C:\WINDOWS\system32\WindowsPowerShell\v1.0\vHope.csv" $failed | out-file error.log March 2, 2016 at 11:35 am #35949 Don JonesKeymaster Look through "The Big Book of PowerShell Error Handling" (Resources menu, eBooks item) here for information on how to handle errors in script. March 2, 2016 at 12:49 pm #35952 random commandlineParticipant # Export ACLs to powershell access denied csv and errors to txt file Get-ChildItem $vStartingPath -Recurse -ErrorAction SilentlyContinue -ErrorVariable +failederrors | ForEach-Object {Get-acl -Path $_.FullName | Select-Object pschildname,pspath,accesstostring} | Export-Csv .\ACL.csv -NoTypeInformation $failederrors.exception | out-file .\failederrors.txt March 2, 2016 at 3:47 pm #35962 Rohn EdwardsParticipant If you want to take a different approach, you might try to get version 4.0 of the PowerShell Access Control Module (source available here). One of the features it offers is enabling the SeBackupPrivilege, which will let you completely ignore the DACLs on the files and folders that are giving you trouble (of course you have to have been granted that privilege, which is usually only for admins and/or backup operators). An example of using it to export all of the ACEs for your $vStartingPath location would look like this: gci $vStartingPath -Recurse | Get-PacAccessControlEntry -PacSDOption (New-PacSDOption -BypassAclCheck) | Export-Csv c:\powershell\permissions.csv -NoTypeInformation Author Posts You must be logged in to reply to this topic. Important Links PowerShell home page PowerShell Gallery PowerShell UserVoice page PowerShell on GitHub Forums DSC (Desired State Configuration) PowerShell Q&A Web Site Feedback & Assistance PowerShell Summit Jobs and Industry Most popular topics Topics with no replies EventsOctober Omaha PowerShell User GroupTuesday 25 October 2016OmahaFirst Romanian PowerShell User Group meetingTuesday 25 October 201