Configuring the Backup Service staging location
The Backup Service uses a staging location to backup SharePoint data. During installation, the default location is configured as C:\Users\<username>\AppData\Local\Temp\ which is insufficient for a successful backup operation. You must specify a UNC path for the staging location.
If you specify an invalid UNC path during and upgrade or install you will get an error as shown below when you attempt a backup operation.
The error message appears in the Result Text tab of the Operations Detail pane: The staging location must be an existing UNC path. Please review the value of the key spFileRestoreTempFileDirectory in the Backup service configuration file.
Steps to review and change the staging location
1.Log in to the computer where Metalogix Backup for SharePoint has been installed.
2.Navigate to the Backup Service installation directory C:\Program Files\Metalogix\SharePointBackupService
3.Open the PBBackupService.exe.config file with Administrator privileges.
4.Inspect the value of the row key=spFileRestoreTempFileDirectory
5.If the value indicates a local path, you must change the path to a UNC path.
6.Save the changes to the configuration file and restart the Backup Services. If there are more instances of the backup Service on other computers, you must restart them as well.
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