Riassunto

Questo articolo spiega come usare uno script di esempio fornito da Microsoft per aumentare le dimensioni di una partizione di ripristino per abilitare la manutenzione di Ambiente ripristino Windows (WinRE). WinRE è uno strumento che consente di risolvere e recuperare dati da vari problemi di sistema, ad esempio errori di avvio, infezioni da malware o file di sistema danneggiati.

WinRE richiede spazio disponibile sufficiente sulla partizione di ripristino per consentire l'installazione degli aggiornamenti WinRE. Tuttavia, alcuni dispositivi potrebbero avere partizioni di ripristino di piccole dimensioni che non dispongono di spazio adeguato. Lo script di esempio può aiutarti a ridimensionare una partizione di ripristino dei dispositivi per evitare potenziali errori di manutenzione di WinRE.

Come usare questo script per aumentare le dimensioni della partizione WinRE di 250 MB

################################################################################################

#

# Copyright (c) Microsoft Corporation.

# Licensed under the MIT License.

#

# THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

# SOFTWARE.

#

################################################################################################

Param (
[Parameter(Mandatory=$false,HelpMessage="Skip confirmation")][bool]$SkipConfirmation=$false,
[Parameter(Mandatory=$true,HelpMessage="Path to backup old WinRE partition content to")][string]$BackupFolder
)

# ------------------------------------
# Helper functions
# ------------------------------------

# Log message
function LogMessage([string]$message)
{
    $message = "$message"
    Write-Host $message
}

# Extract numbers from string
function ExtractNumbers([string]$str)
{
    $cleanString = $str -replace "[^0-9]"
    return [long]$cleanString
}

# Display partition info using fsutil
# Return an array, the first value is total size and the second value is free space
function DisplayPartitionInfo([string[]]$partitionPath)
{
    $volume = Get-WmiObject -Class Win32_Volume | Where-Object { $partitionPath -contains $_.DeviceID }
    LogMessage("  Partition capacity: " +  $volume.Capacity)
    LogMessage("  Partition free space: " + $volume.FreeSpace)
    return $volume.Capacity, $volume.FreeSpace
} 

# Display WinRE status
function DisplayWinREStatus()
{
    # Get WinRE partition info
    $WinREInfo = Reagentc /info
    foreach ($line in $WinREInfo)
    {
        $params = $line.Split(':')
        if ($params.Count -lt 2)
        {
            continue
        }
        if (($params[1].Trim() -ieq "Enabled") -Or (($params[1].Trim() -ieq "Disabled")))
        {
            $Status = $params[1].Trim() -ieq "Enabled"
            LogMessage($line.Trim())
        }
        if ($params[1].Trim() -like "\\?\GLOBALROOT*")
        {
            $Location = $params[1].Trim()
            LogMessage($line.Trim())
        }
    }
    
    return $Status, $Location
}

# ------------------------------------
# Main execution
# ------------------------------------

# Clear the error
$Error.Clear()

# ------------------------------------
# Examining the system to collect required info 
# for the execution
# Need to check WinRE status, collect OS and WinRE
# partition info
# ------------------------------------
LogMessage("Start time: $([DateTime]::Now)")

LogMessage("Examining the system...")
$NeedShrink = $true
$NeedCreateNew = $false
$NeedBackup = $false

# Get WinRE partition info
$InitialWinREStatus = DisplayWinREStatus
$WinREStatus = $InitialWinREStatus[0]
$WinRELocation = $InitialWinREStatus[1]

if (!$WinREStatus)
{
    LogMessage("Error: WinRE Disabled")
    exit 1
}

# Get System directory and ReAgent xml file
$system32Path = [System.Environment]::SystemDirectory
LogMessage("System directory: " + $system32Path)
$ReAgentXmlPath = Join-Path -Path $system32Path -ChildPath "\Recovery\ReAgent.xml"
LogMessage("ReAgent xml: " + $ReAgentXmlPath)
if (!(Test-Path  $ReAgentXmlPath))
{
    LogMessage("Error: ReAgent.xml cannot be found")
    exit 1
}

# Get OS partition
LogMessage("")
LogMessage("Collecting OS and WinRE partition info...")
$OSDrive = $system32Path.Substring(0,1)
$OSPartition = Get-Partition -DriveLetter $OSDrive

# Get WinRE partition
$WinRELocationItems = $WinRELocation.Split('\\')
foreach ($item in $WinRELocationItems)
{
    if ($item -like "harddisk*")
    {
        $OSDiskIndex = ExtractNumbers($item)
    }
    if ($item -like "partition*")
    {
        $WinREPartitionIndex = ExtractNumbers($item)
    }
}

LogMessage("OS Disk: " + $OSDiskIndex)
LogMessage("OS Partition: " + $OSPartition.PartitionNumber)
LogMessage("WinRE Partition: " + $WinREPartitionIndex)

$WinREPartition = Get-Partition -DiskNumber $OSDiskIndex -PartitionNumber $WinREPartitionIndex

$diskInfo = Get-Disk -number $OSDiskIndex
$diskType = $diskInfo.PartitionStyle
LogMessage("Disk PartitionStyle: " + $diskType)

# Display WinRE partition size info
LogMessage("WinRE partition size info")
$WinREPartitionSizeInfo = DisplayPartitionInfo($WinREPartition.AccessPaths)
LogMessage("WinRE Partition Offset: " + $WinREPartition.Offset)
LogMessage("WinRE Partition Type: " + $WinREPartition.Type)
LogMessage("OS partition size: " + $OSPartition.Size)
LogMessage("OS partition Offset: " + $OSPartition.Offset)
$OSPartitionEnds = $OSPartition.Offset + $OSPartition.Size

LogMessage("OS partition ends at: " + $OSPartitionEnds)
LogMessage("WinRE partition starts at: " + $WinREPartition.Offset)

$WinREIsOnSystemPartition = $false
if ($diskType -ieq "MBR")
{
    if ($WinREPartition.IsActive)
    {
        LogMessage("WinRE is on System partition")
        $WinREIsOnSystemPartition = $true
    }
}

if ($diskType -ieq "GPT")
{
    if ($WinREPartition.Type -ieq "System")
    {
        LogMessage("WinRE is on System partition")
        $WinREIsOnSystemPartition = $true
    }
}

# Checking the BackupFolder parameter
if ($PSBoundParameters.ContainsKey('BackupFolder'))
{
    LogMessage("")
    LogMessage("Backup Directory: [" + $BackupFolder + "]")
    
    $Needbackup = $true
    
    if ($WinREIsOnSystemPartition)
    {
        $Needbackup = $false
        LogMessage("WinRE is on System partition which will be preserved. No need to backup content")
    }
    else
    {
        if (Test-path $BackupFolder)
        {
            $items = Get-ChildItem -Path $BackupFolder

            if ($items)
            {
                LogMessage("Error: Existing backup directory is not empty")
                exit 1
            }
        }
        else
        {
            LogMessage("Creating backup directory...")
            try 
            {
                $item = New-Item -Path $BackupFolder -ItemType Directory -ErrorAction Stop

                if ($item)
                {
                    LogMessage("Backup directory created")
                }
                else
                {
                    LogMessage("Error: Failed to create backup directory [" + $BackupFolder + "]")
                    exit 1
                }
            } catch 
            {
                LogMessage("Error: An error occurred: $_")
                exit 1
            }
        }
    }
}

# ------------------------------------
# Verify whether we meet requirements of execution
# - WinRE cannot be on OS partition for the extension
# - WinRE partition must be the next partition after OS partition
# - If WinRE partition already have >=250MB free space, no need to do repartition
# - If there is enough unallocated space to grow the WinRE partition size, skip shrinking OS
# 
# However, if the WinRE partition is before the OS partition, there is no chance to extend it
# As a result, it's better to create a new WinRE partition after the OS partition
# ------------------------------------

# Perform a few checks
LogMessage("")
LogMessage("Verifying if the WinRE partition needs to be extended or not...")

if (!(($diskType -ieq "MBR") -Or ($diskType -ieq "GPT")))
{
    LogMessage("Error: Got an unexpected disk partition style: " +$diskType)
    exit 1
}

# WinRE partition must be after OS partition for the repartition
if ($WinREPartitionIndex -eq $OSPartition.PartitionNumber)
{
    LogMessage("WinRE and OS are on the same partition, should not perform extension")
    exit 0
}

$supportedSize = Get-PartitionSupportedSize -DriveLetter $OSDrive

# if there is enough free space, skip extension
if ($WinREPartitionSizeInfo[1] -ge 250MB)
{
    LogMessage("More than 250 MB of free space was detected in the WinRE partition, there is no need to extend the partition")
    exit 0
}

if ($WinREPartition.Offset -lt $OSPartitionEnds)
{
    LogMessage("WinRE partition is not after OS partition, cannot perform extension")
    LogMessage("Need to create a new WinRE partition after OS partition")
    $NeedCreateNew = $true
    $NeedShrink = $true
    
    # Calculate the size of repartition
    # Will create a new WinRE partition with current WinRE partition size + 250 MB
    # The OS partition size will be shrunk by the new WinRE partition size
    $targetWinREPartitionSize = $WinREPartitionSizeInfo[0] + 250MB
    $shrinkSize = [Math]::Ceiling($targetWinREPartitionSize / 1MB) * 1MB
    $targetOSPartitionSize = $OSPartition.Size - $shrinkSize
    if ($targetOSPartitionSize -lt $supportedSize.SizeMin)
    {
        LogMessage("Error: The target OS partition size after shrinking is smaller than the supported minimum size, cannot perform the repartition")
        exit 1
    }
}
else
{
    if ($WinREIsOnSystemPartition)
    {
        LogMessage("WinRE parititon is after the OS partition and it's also System partition")
        LogMessage("Error: Got unexpected disk layout, cannot proceed")
        exit 1
    }
    if (!($WinREPartitionIndex -eq ($OSPartition.PartitionNumber + 1)))
    {
        LogMessage("Error: WinRE partition is not right after the OS partition, cannot extend WinRE partition")
        exit 1
    }

    # Calculate the size of repartition
    # Will shrink OS partitition by 250 MB
    $shrinkSize = 250MB
    $targetOSPartitionSize = $OSPartition.Size - $shrinkSize
    $targetWinREPartitionSize = $WinREPartitionSizeInfo[0] + 250MB

    $UnallocatedSpace = $WinREPartition.Offset - $OSPartitionEnds;

    # If there is unallocated space, consider using it
    if ($UnallocatedSpace -ge 250MB)
    {
        $UnallocatedSpace = $WinREPartition.Offset - $OSPartitionEnds;
        LogMessage("Found unallocated space between OS and WinRE partition: " + $UnallocatedSpace)
        LogMessage("There is already enough space to extend WinRE partition without shrinking the OS partition")
        $NeedShrink = $false
        $targetOSPartitionSize = 0
    }
    else
    {
        $shrinkSize = [Math]::Ceiling((250MB - $UnallocatedSpace)/ 1MB) * 1MB
        if ($shrinkSize > 250MB)
        {
            $shrinkSize = 250MB
        }
        $targetOSPartitionSize = $OSPartition.Size - $shrinkSize
        if ($targetOSPartitionSize -lt $supportedSize.SizeMin)
        {
            LogMessage("Error: The target OS partition size after shrinking is smaller than the supported minimum size, cannot perform the repartition")
            exit 1
        }
    }
}

# ------------------------------------
# Report execution plan and ask for user confirmation to continue
# ------------------------------------

# Report the changes planned to be executed, waiting for user confirmation
LogMessage("")
LogMessage("Summary of proposed changes")
if ($NeedCreateNew)
{
    LogMessage("Note: WinRE partition is before OS partition, need to create a new WinRE partition after OS partition")
    LogMessage("Will shrink OS partition by " + $shrinkSize)
    LogMessage("  Current OS partition size: " + $OSPartition.Size)
    LogMessage("  Target OS partition size after shrinking: " + $targetOSPartitionSize)
    LogMessage("New WinRE partition will be created with size: ", $targetWinREPartitionSize)
    if ($WinREIsOnSystemPartition)
    {
        LogMessage("Existing WinRE partition is also system partition, it will be preserved")
    }
    else
    {
        LogMessage("Existing WinRE partition will be deleted")
        LogMessage("  WinRE partition: Disk [" + $OSDiskIndex + "] Partition [" + $WinREPartitionIndex + "]")
        LogMessage("  Current WinRE partition size: " + $WinREPartitionSizeInfo[0])
    }
}
else
{
    if ($NeedShrink)
    {
        LogMessage("Will shrink OS partition by " + $shrinkSize)
        LogMessage("  Current OS partition size: " + $OSPartition.Size)
        LogMessage("  Target OS partition size after shrinking: " + $targetOSPartitionSize)
        if ($UnallocatedSpace -ge 0)
        {
            LogMessage("Unallocated space between OS and WinRE partition that will be used towards the new WinRE partition: " + $UnallocatedSpace)
        }
    }
    else
    {
        LogMessage("Will use 250MB from unallocated space between OS and WinRE partition")
    }

    LogMessage("Will extend WinRE partition size by 250MB")
    LogMessage("  WinRE partition: Disk [" + $OSDiskIndex + "] Partition [" + $WinREPartitionIndex + "]")
    LogMessage("  Current WinRE partition size: " + $WinREPartitionSizeInfo[0])
    LogMessage("  New WinRE partition size:     " + $targetWinREPartitionSize)
    LogMessage("WinRE will be temporarily disabled before extending the WinRE partition and enabled automatically in the end")

    if ($UnallocatedSpace -ge 100MB)
    {
        LogMessage("Warning: More than 100MB of unallocated space was detected between the OS and WinRE partitions")
        LogMessage("Would you like to proceed by using the unallocated space between the OS and the WinRE partitions?")
    }
}

if ($Needbackup)
{
    LogMessage("")
    LogMessage("The contents of the old WinRE partition will be backed up to [" + $BackupFolder + "]")
}

LogMessage("")
LogMessage("Please reboot the device before running this script to ensure any pending partition actions are finalized")

LogMessage("")
if ($SkipConfirmation)
{
    LogMessage("User chose to skip confirmation")
    LogMessage("Proceeding with changes...")
}
else
{
    $userInput = Read-Host -Prompt "Would you like to proceed? Y for Yes and N for No"
        
    if ($userInput -ieq "Y")
    {
        LogMessage("Proceeding with changes...")
    }
    elseif ($userInput -ieq "N")
    {
        LogMessage("Canceling based on user request, no changes were made to the system")
        exit 0
    }
    else
    {
        LogMessage("Error: Unexpected user input: [" + $userInput + "]") 
        exit 0
    }
}

LogMessage("")
LogMessage("Note: To prevent unexpected results, please do not interrupt the execution or restart your system")

# ------------------------------------
# Do the actual execution
# The main flow is:
# 1. Check whether ReAgent.xml has stage location and clear it for repartiion
# 2. Disable WinRE as WinRE partition will be deleted
# 3. Perform the repartition to create a larger WinRE partition
# 4. Re-enable WinRE
# ------------------------------------

LogMessage("")

# Load ReAgent.xml to clear Stage location
LogMessage("Loading [" + $ReAgentXmlPath + "] ...")
$xml = [xml](Get-Content -Path $ReAgentXmlPath)
$node = $xml.WindowsRE.ImageLocation
if (($node.path -eq "") -And ($node.guid -eq "{00000000-0000-0000-0000-000000000000}") -And ($node.offset -eq "0") -And ($node.id -eq "0"))
{
    LogMessage("Stage location info is empty")
}
else
{
    LogMessage("Clearing stage location info...")
    $node.path = ""
    $node.offset = "0"
    $node.guid= "{00000000-0000-0000-0000-000000000000}"
    $node.id="0"

    # Save the change
    LogMessage("Saving changes to [" + $ReAgentXmlPath + "]...")
    $xml.Save($ReAgentXmlPath)
}

# Disable WinRE
LogMessage("Disabling WinRE...")
reagentc /disable
if (!($LASTEXITCODE -eq 0))
{
    LogMessage("Warning: encountered an error when disabling WinRE: " + $LASTEXITCODE)
    exit $LASTEXITCODE
}

# Verify WinRE is under C:\Windows\System32\Recovery\WinRE.wim
$disableWinREPath = Join-Path -Path $system32Path -ChildPath "\Recovery\WinRE.wim"
LogMessage("Verifying that WinRE wim exists in downlevel at default location")
if (!(Test-Path $disableWinREPath))
{
    LogMessage("Error: Cannot find " + $disableWinREPath)
    
    # Re-enable WinRE
    LogMessage("Re-enabling WinRE on error...")
    reagentc /enable
    if (!($LASTEXITCODE -eq 0))
    {
        LogMessage("Warning: encountered an error when enabling WinRE: " + $LASTEXITCODE)
    }
    exit 1
}

# ------------------------------------
# Perform the repartition
# 1. Resize the OS partition
# 2. Delete the WinRE partition
# 3. Create a new WinRE partition
# ------------------------------------
LogMessage("Performing repartition to extend the WinRE partition ...")

# 1. Resize the OS partition
if ($NeedShrink)
{
    LogMessage("Shrinking the OS partition to create a larger WinRE partition")
    LogMessage("Resizing the OS partition to: [" + $targetOSPartitionSize + "]...")
    Resize-Partition -DriveLetter $OSDrive -Size $targetOSPartitionSize
    if ($Error.Count -gt 0) {
        LogMessage("Error: Resize-Partition encountered errors: " + $Error[0].Exception.Message)
        
        # Re-enable WinRE
        LogMessage("Re-enabling WinRE on error...")
        reagentc /enable
        if (!($LASTEXITCODE -eq 0))
        {
            LogMessage("Warning: encountered an error when enabling WinRE: " + $LASTEXITCODE)
        }
        exit 1
    }
    $OSPartitionAfterShrink = Get-Partition -DriveLetter $OSDrive
    LogMessage("Target partition size: " + $targetOSPartitionSize)
    LogMessage("Size of OS partition after shrinking: " + $OSPartitionAfterShrink.Size)
}

# 2. Delete the WinRE partition
LogMessage("")

if ($WinREIsOnSystemPartition)
{
    LogMessage("Existing WinRE partition is System partition, skipping deletion")
}
else
{    
    # If requested by user, backup rest of the content on WinRE partition to backup directory
    if ($Needbackup)
    {
        $sourcePath = $WinREPartition.AccessPaths[0] 
        LogMessage("Copying content on WinRE partition from [" + $sourcePath + "] to [" + $BackupFolder + "]...")
        
        # Copy-Item may have access issue with certain system folders, enumerate the children items and exlcude them
        $items = Get-ChildItem -LiteralPath $sourcePath -Force
        foreach ($item in $items)
        {
            if ($item.Name -ieq "System Volume Information")
            {
                continue
            }
            $sourceItemPath = Join-Path -Path $sourcePath -ChildPath $item.Name
            $destItemPath = Join-Path -Path $BackupFolder -ChildPath $item.Name
            try 
            {
                LogMessage("Copying [" + $sourceItemPath + "] to [" + $destItemPath + "]...")
                Copy-Item -LiteralPath $sourceItemPath -Destination $destItemPath -Recurse -Force
            } catch 
            {
                LogMessage("Error: An error occurred during copy: $_")
                exit 1
            }
        }
        
        LogMessage("Backup completed")
        LogMessage("")
    }

    LogMessage("Deleting WinRE partition: Disk [" + $OSDiskIndex + "] Partition [" + $WinREPartitionIndex + "]...")
    Remove-Partition -DiskNumber $OSDiskIndex -PartitionNumber $WinREPartitionIndex -Confirm:$false
    if ($Error.Count -gt 0) {
        LogMessage("Error: Remove-Partition encountered errors: " + $Error[0].Exception.Message)
        exit 1
    }
}

# A short sleep for the partition change
Sleep 5

# 3. Create a new WinRE partition
LogMessage("")
LogMessage("Creating new WinRE partition...")
LogMessage("Target size: " + $targetWinREPartitionSize)
if ($diskType -ieq "GPT")
{
    $partition = New-Partition -DiskNumber $OSDiskIndex -Size $targetWinREPartitionSize -GptType "{de94bba4-06d1-4d40-a16a-bfd50179d6ac}"
    
    $newPartitionIndex = $partition.PartitionNumber
    # A short sleep to make sure the partition is ready for formatting
    Sleep 2

    LogMessage("Formating the partition...")
    $result = Format-Volume -Partition $partition -FileSystem NTFS -Confirm:$false
    if ($Error.Count -gt 0) {
        LogMessage("Error: Format-Volume encountered errors: " + $Error[0].Exception.Message)
        exit 1
    }
}
else
{
    #$partition = New-Partition -DiskNumber $OSDiskIndex -Size $targetWinREPartitionSize -MbrType 0x27
    $targetWinREPartitionSizeInMb = [int]($targetWinREPartitionSize/1MB)
    $diskpartScript = 
@"
select disk $OSDiskIndex
create partition primary size=$targetWinREPartitionSizeInMb id=27
format quick fs=ntfs label="Recovery"
set id=27
"@

    $TempPath = $env:Temp
    $diskpartSciptFile = Join-Path -Path $TempPath -ChildPath "\ExtendWinRE_MBR_PowershellScript.txt"
    
    LogMessage("Creating temporary diskpart script to create Recovery partition on MBR disk...")
    LogMessage("Temporary diskpart script file: " + $diskpartSciptFile)
    $diskpartScript | Out-File -FilePath $diskpartSciptFile -Encoding ascii
    
    LogMessage("Executing diskpart script...")
    try 
    {
        $diskpartOutput = diskpart /s $diskpartSciptFile
        
        if ($diskpartOutput -match "DiskPart successfully") 
        {
            LogMessage("Diskpart script executed successfully")
        }
        else
        {
            LogMessage("Error executing diskpart script:" + $diskpartOutput)
            exit 1
        }
        LogMessage("Deleting temporary diskpart script file...")
        Remove-Item $diskpartSciptFile
    }
    catch 
    {
        LogMessage("Error executing diskpart script: $_")
        exit 1
    }
    
    $vol = Get-Volume -FileSystemLabel "Recovery"
    $newPartitionIndex = (Get-Partition | Where-Object { $_.AccessPaths -contains $vol.Path } ).PartitionNumber
}

if ($Error.Count -gt 0) 
{
    LogMessage("Error: New-Partition encountered errors: " + $Error[0].Exception.Message)
    exit 1
}

LogMessage("New Partition index: " + $newPartitionIndex)

# Re-enable WinRE
LogMessage("Re-enabling WinRE...")
reagentc /enable
if (!($LASTEXITCODE -eq 0))
{
    LogMessage("Warning: encountered an error when enabling WinRE: " + $LASTEXITCODE)
    exit $LASTEXITCODE
}

# In the end, Display WinRE status to verify WinRE is enabled correctly
LogMessage("")
LogMessage("WinRE Information:")
$FinalWinREStatus = DisplayWinREStatus
$WinREStatus = $FinalWinREStatus[0]
$WinRELocation = $FinalWinREStatus[1]

if (!$WinREStatus)
{
    LogMessage("Warning: WinRE Disabled")
}

$WinRELocationItems = $WinRELocation.Split('\\')
foreach ($item in $WinRELocationItems)
{
    if ($item -like "partition*")
    {
        $WinREPartitionIndex = ExtractNumbers($item)
    }
}
LogMessage("WinRE Partition Index: " + $WinREPartitionIndex)

$WinREPartition = Get-Partition -DiskNumber $OSDiskIndex -PartitionNumber $WinREPartitionIndex
$WinREPartitionSizeInfoAfter = DisplayPartitionInfo($WinREPartition.AccessPaths)

LogMessage("")
LogMessage("OS Information:")
$OSPartition = Get-Partition -DriveLetter $OSDrive
LogMessage("OS partition size: " + $OSPartition.Size)
LogMessage("OS partition Offset: " + $OSPartition.Offset)

if (!($WinREPartitionIndex -eq $newPartitionIndex))
{
    LogMessage("Warning: WinRE is installed to partition [" + $WinREPartitionIndex +"], but the newly created Recovery partition is [" + $newPartitionIndex + "]")
}

LogMessage("End time: $([DateTime]::Now)")

if ($NeedBackup)
{
    LogMessage("")
    LogMessage("The contents of the old WinRE partition has been backed up to [" + $BackupFolder + "]")
}

LogMessage("")
LogMessage("Successfully completed the operation")

Passaggi per eseguire lo script di esempio

Per eseguire questo script di esempio, seguire questa procedura:

  1. Aprire un editor di testo. Ad esempio, per aprire Blocco note di Windows, fare clic con il pulsante destro del mouse su Start, scegliere Esegui, digitare notepad.exee quindi fare clic su OK.

  2. Copiare e incollare lo script di esempio nell'editor di testo aperto.

  3. Salvare il file di script come Powershell_ExtendWinRE_or_CreateNew.ps1 in un percorso a scelta. Ad esempio, salvare il file script in C:/Documents/WinRE_Script.Prendere nota del percorso delle posizioni da usare al passaggio 7.

  4. Riavvia il dispositivo. Ciò è fondamentale perché potrebbero essere in sospeso operazioni di partizione in sospeso nel dispositivo che dovranno essere finalizzate prima che lo script possa aumentare in modo sicuro le dimensioni della partizione WinRE.

  5. Dopo il riavvio del dispositivo, apri PowerShell come amministratore. Per farlo, fare clic con il pulsante destro del mouse su Start e quindi scegliere Terminale (Amministrazione).

  6. Digita mkdir <percorso della nuova directory di backup> quindi premi INVIO. Ad esempio, digitare mkdir C:/WinRE_backup e quindi premere INVIO.Verrà creata una directory di backup denominata "WinRE_backup" che lo script potrebbe usare in caso di errore nel ripristino della partizione originale. Prendi nota del percorso di questa directory di backup.

  7. Digitare Powershell.exe -ExecutionPolicy Bypass -File <percorso in cui è stato salvato lo script winre>. Ad esempio, digitare Powershell.exe -ExecutionPolicy Bypass -File C:/Downloads/WinRE_Script.

Note

  • Supponendo che lo script venga completato correttamente, il dispositivo avrà ora almeno 250 MB di spazio libero e sarà in grado di installare gli aggiornamenti di manutenzione di WinRE.

  • Eliminare la directory di backup creata nel passaggio 3 perché non è più necessaria. Ad esempio, eliminare la directory C:/WinRE_backup .

Problemi che possono verificarsi e come risolverli

Se viene visualizzato questo messaggio di errore seguente dallo script, lo spazio disponibile nel dispositivo non è sufficiente per completare la ripartizione. In questo caso, segui le indicazioni di Microsoft per liberare spazio sull'unità in Windows. Dopo aver eseguito questa operazione, riavviare il dispositivo ed eseguire di nuovo lo script.

Nota Alcuni dispositivi potrebbero avere spazio libero sufficiente sulla partizione del sistema operativo, tuttavia l'unità è troppo frammentata e la ripartizionazione non sarà in grado di essere eseguita. In questo caso, usa questa guida per deframmentare il disco.

Questo script presuppone che WinRE sia abilitato. Se hai ricevuto questo messaggio di errore,il dispositivo non ha una partizione WinRE abilitata. Per alcuni carichi di lavoro, i produttori di dispositivi possono scegliere di non includere una partizione WinRE. Se il dispositivo non dispone di partizione WinRE, la manutenzione non è necessaria.  Se si verificano problemi con la partizione WinRE, segui i passaggi nelle funzionalità di risoluzione dei problemi di WinRE.

Potresti riscontrare un problema quando tenti di eseguire questo script in un dispositivo con un layout di partizione personalizzato, in cui il dispositivo ha un'altra partizione tra la partizione del sistema operativo e la partizione di ripristino. Per risolvere questo problema, è necessario spostare o eliminare la partizione tra la partizione del sistema operativo e la partizione di ripristino, in modo che la partizione di ripristino abbia lo stesso indice della partizione del sistema operativo + 1. 

Ad esempio, se la partizione del sistema operativo è l'indice 2, la partizione di ripristino deve essere l'indice 3.  Fai attenzione a non eliminare o modificare partizioni critiche come la partizione di sistema o di avvio. Dopo aver spostato o eliminato la partizione, è necessario riavviare il dispositivo per applicare le modifiche e aggiornare gli indici delle partizioni. Quindi, è possibile eseguire di nuovo lo script e dovrebbe funzionare come previsto.

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