You have initiated a software update on the Symantec Messaging Gateway, however the update fails with the error "Err Inappropriate ioctl for device" reported. There is a reference to "unmet dependencies" in the update log.
The update log will show the following ->
You might want to run `apt-get -f install' to correct these:
The following packages have unmet dependencies:
compat-libstdc++-33: Obsoletes: compat-libstdc++ but 7.3-2.96.118 is to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
Err Inappropriate ioctl for device
The Messaging Gateway is trying to download a package that is older than the package already installed, this is possibly due to a failed removal of the existing package.
Please contact Symantec Enterprise Support for further assistance (referencing this article).