Lock the Sharepoint online site collection

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  Hi

  Seems using SharePoint Online PowerShell to lock the site collection needs SharePoint Online global administrator account.

  Refer to:

  https://technet.microsoft.com/en-us/library/fp161372%28v=office.15%29.aspx?f=255&MSPPError=-2147217396

  https://social.msdn.microsoft.com/Forums/en-US/f71d377f-3ade-43f7-a49d-e08fba21c601/sharepoint-online-lock-site-collection?forum=sharepointadmin

  Monday, November 7, 2016 9:14 AM
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  You have to use Global SP admin account to unlock it using below power shell command:

  $site = Get-SPOSite -Identity urlofsitecollection
  Set-SPOSite -Identity $site -LockState UnLock

  Mahi

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  Monday, November 7, 2016 9:20 AM
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  Hi,

  You have two options to set the lock in SharePoint Online Site Collection :

  PowerShell:

  Set-SPOSite https://[tenant].sharepoint.com/sites/targetsite -LockState [NoAccess|Unlock]

  CSOM:

  using (var clientContext = new ClientContext(tenantUrl)) {
      clientContext.Credentials = spoCredentials;
      var tenant = new Tenant(clientContext);
      var siteProperties = tenant.GetSitePropertiesByUrl(siteUrl, true);
      clientContext.Load(siteProperties);
      clientContext.ExecuteQuery();
  
      Console.WriteLine("LockState: {0}", siteProperties.LockState);
  
      siteProperties.LockState = "Unlock";
      siteProperties.Update();
      clientContext.ExecuteQuery();
  }

  
  

  However to use both you will have to be Tenant Admin, there is no other way.

  More Info:

  https://blogs.msdn.microsoft.com/sumanc/2014/11/19/how-to-change-the-lock-state-via-csom/

  Thanks,

  Priyan

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  Monday, November 7, 2016 10:11 AM
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  Hi,

  If you don't have the tenant administrator permission, as a workaround, we can temporarily change all groups permission to Read Only.

  Go to Site settings-> Site permission, then edit permission.

  

  Best Regards,

  Dennis

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  • Proposed as answer by Patrick_Liang Thursday, November 17, 2016 9:14 AM
  • Marked as answer by Sjoukje ZaalMVP Friday, March 3, 2017 8:49 AM

  Tuesday, November 8, 2016 2:30 AM
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  Hi

  Here is a link to powershell script to Lock/ Unlock SharePoint Online sites in Office 365

  https://gallery.technet.microsoft.com/office/LockUnlock-SharePoint-840efe54

  Thanks 

  Rakhi

  Tuesday, November 8, 2016 5:16 AM