Server Administrator Version 7.4 Installation Guide

unpacking c:\OM-SrvAdmin-Dell-Web-<version>-<
                                       bldno>.VIB-ESX<
                                       version>i_<
                                       bld-revno>.zip
                                       metadata.zip.sig does not exist
                                       signature mismatch : metadata.zip
                                       Unable to unpack update package.
                                    

This error is displayed if you are using an older version of the Remote CLI. To resolve this issue, download and install the latest vSphere version of the CLI.

Unable to create, write or read a file as expected.I/O Error (28) on file : [Errno 28] No space left on device.

See the VMware KB article 1012640 at kb.vmware.com to fix this error.