![Mainenginethread is returning 1603](https://kumkoniak.com/85.jpg)
![mainenginethread is returning 1603 mainenginethread is returning 1603](https://sqlblog.org/wp-content/uploads/2009/02/msxml.png)
MSI (s) (48:70) : Custom Action Manager thread ending. MSI (s) (48:04) : Destroying RemoteAPI object. If counter >= 0, shutdown will be denied. MSI (s) (48:04) : Decrementing counter to disable shutdown. MSI (s) (48:04) : Note: 1: 1402 2: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Rollback\Scripts 3: 2 MSI (s) (48:04) : Incrementing counter to disable shutdown.
![mainenginethread is returning 1603 mainenginethread is returning 1603](https://support.citrix.com/files/public/support/article/CTX131184/images/0EM60000000PP7Y.gif)
MSI (s) (48:04) : Machine policy value 'DisableRollback' is 0 MSI (s) (48:04) : User policy value 'DisableRollback' is 0 MSI (s) (48:04) : No System Restore sequence number for this installation. MSI (s) (48:D8) : MainEngineThread is returning 1603 MSI (s) (48:D8) : Deferring clean up of packages/files, if any exist Installation success or error status: 1603. Product Name: Veeam Agent for Microsoft Windows. MSI (s) (48:D8) : Windows Installer installed the product. MSI (s) (48:D8) : Product: Veeam Agent for Microsoft Windows - Installation operation failed. Code: Select all Few lines from EndPointSetup.log
![Mainenginethread is returning 1603](https://kumkoniak.com/85.jpg)