How to get disk capacity and free space of remote computer

Question

I have this one-liner   get-WmiObject win32 logicaldisk -Computername remotecomputer   and the output is this   DeviceID       A  DriveType      2 ProviderName   FreeSpace      Size           VolumeName      DeviceID       C  DriveType      3 ProviderName   FreeSpace      20116508672 Size           42842714112 VolumeName      DeviceID       D  DriveType      5 ProviderName   FreeSpace      Size           VolumeName       How do I get Freespace and Size of DeviceID C   I need to extract just these two values with no other informations  I have tried it with Select cmdlet  but with no effect   Edit   I need to extract the numerical values only and store them in variables

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PS gt  Get-CimInstance -ComputerName bobPC win32 logicaldisk   where caption -eq  C     foreach-object  write        caption      0 N2   -f     Size 1gb   GB total      0 N2   -f     FreeSpace 1gb   GB free      C  117 99 GB total  16 72 GB free   PS gt

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There are two issues I encountered with the other suggestions  1  Drive mappings are not supported if you run the powershell under task scheduler  2  You may get Access is denied errors errors trying to used  get-WmiObject  on remote computers  depending on your infrastructure setup  of course   The alternative that doesn t suffer from these issues is to use GetDiskFreeSpaceEx with a UNC path   function getDiskSpaceInfoUNC  p UNCpath   p unit   1tb   p format     0 N1            unit  one of -- gt  1kb  1mb  1gb  1tb  1pb      l typeDefinition                DllImport  kernel32 dll   CharSet   CharSet Auto  SetLastError   true             return  MarshalAs UnmanagedType Bool            public static extern bool GetDiskFreeSpaceEx string lpDirectoryName               out ulong lpFreeBytesAvailable               out ulong lpTotalNumberOfBytes               out ulong lpTotalNumberOfFreeBytes            l type   Add-Type -MemberDefinition  l typeDefinition -Name Win32Utils -Namespace GetDiskFreeSpaceEx -PassThru       freeBytesAvailable       New-Object System UInt64   differs from totalNumberOfFreeBytes when per-user disk quotas are in place      totalNumberOfBytes       New-Object System UInt64      totalNumberOfFreeBytes   New-Object System UInt64       l result    l type  GetDiskFreeSpaceEx  p UNCpath   ref  freeBytesAvailable    ref  totalNumberOfBytes    ref  totalNumberOfFreeBytes          totalBytes       if  l result     totalNumberOfBytes      p unit   else             totalFreeBytes   if  l result     totalNumberOfFreeBytes  p unit   else             New-Object PSObject -Property            Success      l result         Path         p UNCpath         Total        p format -f  totalBytes         Free         p format -f  totalFreeBytes

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Command-line   powershell gwmi Win32 LogicalDisk -ComputerName remotecomputer -Filter  DriveType 3     select Name  FileSystem FreeSpace BlockSize Size          BlockSize       FreeSpace      Size   100    FreeSpace     FreeSpace 1GB     Size     Size 1GB         Format-Table Name    n  FS  e     FileSystem     n  Free  Gb  e    0 N2  -f    FreeSpace      n  Free    e    0 N2  -f    BlockSize     n  Capacity  Gb  e    0 N3   -f    Size   -AutoSize   Output   Name FS   Free  Gb Free   Capacity  Gb  ---- --   -------- ------ ------------  C    NTFS 16 64    3 57   465 752  D    NTFS 43 63    9 37   465 759  I    NTFS 437 59   94 02  465 418  N    NTFS 5 59     0 40   1 397 263  O    NTFS 8 55     0 96   886 453  P    NTFS 5 72     0 59   976 562   command-line   wmic logicaldisk where DriveType  3  get caption  VolumeName  VolumeSerialNumber  Size  FileSystem  FreeSpace   out   Caption  FileSystem  FreeSpace     Size           VolumeName  VolumeSerialNumber  C        NTFS        17864343552   500096991232   S01         EC641C36  D        NTFS        46842589184   500104687616   VM1         CAF2C258  I        NTFS        469853536256  499738734592   V8          6267CDCC  N        NTFS        5998840832    1500299264512  Vm-1500     003169D1  O        NTFS        9182349312    951821143552   DT01        A8FC194C  P        NTFS        6147043840    1048575144448  DT02        B80A0F40   command-line   wmic logicaldisk where Caption  C   get caption  VolumeName  VolumeSerialNumber  Size  FileSystem  FreeSpace   out   Caption  FileSystem  FreeSpace    Size          VolumeName  VolumeSerialNumber  C        NTFS        17864327168  500096991232  S01         EC641C36  command-line   dir C    A DS   find  free   out                 4 Dir s   17 864 318 976 bytes free  dir C    A DS  -C   find  free   out                 4 Dir s      17864318976 bytes free

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In case you want to check multiple drive letters and or filter between local and network drives  you can use PowerShell to take advantage of the Win32 LogicalDisk WMI class  Here s a quick example    localVolumes   Get-WMIObject win32 volume   foreach   vol in  localVolumes      if   vol DriveLetter -ne  null          d    vol DriveLetter 0       if   vol DriveType -eq 3          Write-Host   Drive      d     is a Local Drive              elseif   vol DriveType -eq 4          Write-Host   Drive     d     is a Network Drive              else                and so on             drive   Get-PSDrive  d      Write-Host   Used space on drive      d           drive Used     bytes   r n        Write-Host   Free space on drive      d           drive Free     bytes   r n            I used the above technique to create a Powershell script that checks all drives and send an e-mail alert whenever they go below a user-defined quota  You can get it from this post on my blog

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disk   Get-WmiObject Win32 LogicalDisk -ComputerName remotecomputer -Filter  DeviceID  C      Select-Object Size FreeSpace   disk Size  disk FreeSpace   To extract the values only and assign them to a variable    disk   Get-WmiObject Win32 LogicalDisk -ComputerName remotecomputer -Filter  DeviceID  C      Foreach-Object     Size    FreeSpace

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I know of psExec tools which you can download from here   There comes a psinfo exe from the tools package  The basic usage is in the following manner in powershell cmd     However you could have a lot of options with it  Usage  psinfo    computer  computer           file   -u user  -p psswd       -h    -s    -d    -c   -t delimiter    filter    computer  Perform the command on the remote computer or computers specified  If you omit the computer name the command runs on the local system  and if you specify a wildcard       the command runs on all computers in the current domain    file   Run the command on each computer listed in the text file specified  -u  Specifies optional user name for login to remote computer  -p  Specifies optional password for user name  If you omit this you will be prompted to enter a hidden password  -h  Show list of installed hotfixes  -s  Show list of installed applications  -d  Show disk volume information  -c  Print in CSV format  -t  The default delimiter for the -c option is a comma  but can be overriden with the specified character    filter  Psinfo will only show data for the field matching the filter  e g   psinfo service  lists only the service pack field

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I remote into the computer using Enter-PSsession pcName then I type Get-PSDrive  That will list all drives and space used and remaining  If you need to see all the info formated  pipe it to FL like this  Get-PSdrive   FL

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Get-PSDrive C   Select-Object    E     Used 1GB   L  Used        E     Free 1GB   L  Free

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Just found Get-Volume command  which returns SizeRemaining  so something like  Get-Volume -DriveLetter C  SizeRemaining    1e 9  can be used to see remained Gb for disk C  Seems works faster than Get-WmiObject Win32 LogicalDisk

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I created a PowerShell advanced function  script cmdlet  a while back that allows you to query multiple computers    The code for the function is a little over 100 lines long  so you can find it here  PowerShell version of the df command   Check out the Usage section for examples  The following usage example queries a set of remote computers  input from the PowerShell pipeline  and displays the output in a table format with numeric values in human-readable form   PS gt   cred   Get-Credential -Credential  example administrator  PS gt   db01   dc01   sp01    Get-DiskFree -Credential  cred -Format   Format-Table -GroupBy Name -AutoSize     Name  DB01  Name Vol Size  Used  Avail Use  FS   Type ---- --- ----  ----  ----- ---- --   ---- DB01 C   39 9G 15 6G 24 3G   39 NTFS Local Fixed Disk DB01 D   4 1G  4 1G  0B     100 CDFS CD-ROM Disc      Name  DC01  Name Vol Size  Used  Avail Use  FS   Type ---- --- ----  ----  ----- ---- --   ---- DC01 C   39 9G 16 9G 23G     42 NTFS Local Fixed Disk DC01 D   3 3G  3 3G  0B     100 CDFS CD-ROM Disc DC01 Z   59 7G 16 3G 43 4G   27 NTFS Network Connection      Name  SP01  Name Vol Size   Used   Avail Use  FS   Type ---- --- ----   ----   ----- ---- --   ---- SP01 C   39 9G  20G    19 9G   50 NTFS Local Fixed Disk SP01 D   722 8M 722 8M 0B     100 UDF  CD-ROM Disc

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Another way is casting a string to a WMI object    size     wmi    remotecomputer root cimv2 Win32 logicalDisk DeviceID  c     Size  free     wmi    remotecomputer root cimv2 Win32 logicalDisk DeviceID  c     FreeSpace   Also you can divide the results by 1GB or 1MB if you want different units    disk     wmi    remotecomputer root cimv2 Win32 logicalDisk DeviceID  c      Remotecomputer C  has  0   0  GB free of  1   0  GB Total  -f   disk FreeSpace 1GB    disk Size 1GB    write-output   Output is  Remotecomputer C  has 252 7 GB free of 298 0 GB Total

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Much simpler solution   Get-PSDrive C   Select-Object Used Free   and for remote computers  needs Powershell Remoting   Invoke-Command -ComputerName SRV2  Get-PSDrive C    Select-Object PSComputerName Used Free

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Just one command simple sweet and clean but this only works for local disks  Get-PSDrive     You could still use this command on a remote server by doing a Enter-PSSession -Computername ServerName  and then run the Get-PSDrive it will pull the data as if you ran it from the server

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I created this simple function to help me  This makes my calls a lot easier to read that having inline an Get-WmiObject  Where-Object statements  etc   function GetDiskSizeInfo  drive         diskReport   Get-WmiObject Win32 logicaldisk      drive    diskReport   Where-Object      DeviceID -eq  drive        result              Size    drive Size         FreeSpace    drive Freespace           return  result     diskspace   GetDiskSizeInfo  C   write-host  diskspace FreeSpace      diskspace Size

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PowerShell Fun  Get-WmiObject win32 logicaldisk -Computername  lt ServerName gt  -Credential   get-credential    Select DeviceID VolumeName FreeSpace Size   where     DeviceID -eq  C

[powershell] How to get disk capacity and free space of remote computer

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