Upgrading Multi-Domain Servers in High Availability from R80.20 and higher
This section provides instructions to upgrade Multi-Domain Servers in High Availability from R80.20.M1, R80.20, R80.20.M2, R80.30, or higher versions:
For additional information related to these upgrade procedures, see sk163814.
For configuration information, see the R81.10 Multi-Domain Security Management Administration Guide.
Important - Before you can install Hotfixes on servers that work in Management High Availability, you must upgrade all these servers.