CExBackup::backupService:HrESEBackupSetup: Error Number 0x50d

OS

Windows 2003/2008
Exchange 2003/2007/2010

Software

All

Error message

CExBackup::backupService:HrESEBackupSetup: Error Number 0x50d
CExBackup::backupService:HrESEBackupSetup: Error Number 0x50d: The target process or the process which contains the target thread, is a secured process

Cause

The message suggests that the Exchange VSS writer has detected that an earlier Exchange snapshot backup operation is in an unfinished state. Therefore, the current backup operation and all subsequent backup operations are unsuccessful.

Solution

You can resolve this issue by restarting Microsoft Exchange Information Store service. To restart the Microsoft Exchange Information Store service, follow these steps:

• Click Start, point to All Programs, point to Administrative Tools, and then click Services.
• Right-click the Microsoft Exchange Information Store service, and then click Restart.

Microsoft has an KB article explaining the process in greater detail: http://support.microsoft.com/kb/930800