Cisco Cisco Email Security Appliance C170

You can upgrade to release 9.1.0-032 from the following versions:

8.0.1-023

8.0.2-066

8.5.5-280

8.5.6-074

8.5.6-092

8.5.6-106

8.5.6-116

9.0.0-500

9.1.0-024

Read through and consider the installation and upgrade impacts listed in this section. 

When you upgrade AsyncOS for Email from the web interface or Command Line Interface (CLI), the 
configuration is saved to file in the /configuration/upgrade directory. You can access the upgrade 
directory using an FTP client. Each configuration file name is appended with the version number, and 
passwords in the configuration file are masked so they are not human readable.

You must be logged in as the admin to upgrade. Also, you must reboot the appliance after upgrading.

All virtual appliance models. 

The following hardware models: 

C380 or C680 

C170 

Some C370, C370D, C670 or X1070 appliances 

To determine whether your appliance is supported, and to remedy the situation if it is not 
currently compatible, see 

. 

The following hardware is NOT supported for this release: 

C160, C360, C660, and X1060 

If you are deploying or upgrading a virtual appliance, see the Cisco Content Security Virtual Appliance 
Installation Guide, available from 

.