877: Unable to delete old log file, MGMTDB.LOG at servername as the file may be in use. This may happen because Sybase is running on the server. Shut down the Sybase database, delete the log file and proceed with the installation.

Source:  Inventory Installation

Severity:  Warning

Explanation:  This error occurs if you have installed ZfD3 and the installation program is unable to delete the existing log file.

Action:  Delete the MGMTDB.LOG file. Proceed with the installation.