How to increase SharePoint Storage limit using powershell

Question

Hello,

I would like to find out how to increase SharePoint storage limit manually on PowerShell.

Answer 1

Hello @IBN ,

Please follow the steps:

Step1: Change Tenant Storage Method. Please note, Storage Quota changes take effect only when the tenant storage method is manual.

a. Navigation to the SharePoint admin center as a Global Administrator

b. Settings >> SharePoint Site storage limits >> Manual

Step2: Please run the below PowerShell to increase storage space as an admin.

Import-Module Microsoft.Online.SharePoint.Powershell -DisableNameChecking  
   
#Parameters  
$AdminCenterURL="https://domain-admin.sharePoint.com"  
$SiteURL = "https://domain.sharepoint.com/sites/sitename"  
  
#Add 5 GB to the existing site  
$QuotaIncrease = 5   
   
#Setup Credentials to connect  
Connect-SPOService -Url $AdminCenterURL -Credential (Get-Credential)  
         
#Get the Site Collection  
$Site = Get-SPOSite -Identity $SiteURL -Detailed  
   
#Calculate New Storage Quota  
$CurrentStorage = $Site.StorageQuota  
$NewStorage = $CurrentStorage + ($QuotaIncrease * 1024)  
  
#increase storage quota in sharepoint online  
Set-SPOSite -Identity $SiteURL -StorageQuota $NewStorage  
Write-Host "Storage Quota set from '$CurrentStorage' to '$NewStorage'" -f Green  

Note: The maximum size of any Site collection is 25 TB! If the site collection size is already 25 TB, running this PowerShell command will report an error. For example:

Thanks,
Echo Du

======================================

If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

Answer 2

Hello, I found the problem, it seems that the "StorageQuota" property comes in TB and that value multiplied by 1024 is above the 25TB limit specified by Sharepoint itself. What I did was take the "StorageUsageCurrent" property and add it to the value of "QuotaIncrease", if my site has 31GB used, it will add up to 31,744 + 51,200 and the new quota will be 82,944 or 83GB. I also realized that it is necessary to specify the "StorageQuotaWariningLevel" and I developed this code:

#Calcula 90% do espaço definido em Cota  
$Cache = $NewStorage - (($NewStorage * 90)/100)  
$Warn = $NewStorage - $Cache  

So it will set for the "StorageQuotaWarningLevel" 90% of the total value of the site.

Hope this helps.