SharePoint 2019 site suddenly Read Only even for Administrator!

Question

Upon going to one of my SharePoint sites this morning I noticed that one of them has the message:
"SharePoint sites are read-only right now while we do some maintenance. We apologize for the inconvenience.".

I went to central admin as an admin and the option to unlock is greyed out for this site collection while the other ones are normal. What can I do to fix this and why does this happen?

Answer 1

Hi Tevon ,

In addition to this message, is there any other information or emails?

To clear maintenance mode in SharePoint, use this PowerShell script:

Add-PSSnapin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue
 
#Site Collection URL
$SiteURL = "https://……/"
 
#Clear Maintenance mode
$Admin = new-object Microsoft.SharePoint.Administration.SPSiteAdministration($SiteURL)
$Admin.ClearMaintenanceMode()

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