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SSH

Upgrading Previously Installed Tectia Server Software

[Note]Note

Before starting the upgrade, make backups of all configuration files where you have made modifications.

When upgrading a maintenance release of Tectia Server on Windows, usually no rebooting of the computer is needed. Check the release notes to see if the current Server release can be upgraded without reboot. On Unix, upgrading does not require a reboot.

If you are running both Tectia client-side tools and Tectia Server on the same machine, install the same release of each Tectia product, because there are dependencies between the common components.

Check if you have some Secure Shell software, for example earlier versions of Tectia products or OpenSSH server or client, running on the machine where you are planning to install the new Tectia versions.

Before installing Tectia Server on Unix platforms, stop any OpenSSH servers running on port 22, or change their listener port. You do not need to uninstall the OpenSSH software.

The following table shows you which Tectia versions you need to uninstall before you can upgrade to Tectia Server 6.3. When upgrading versions marked upgrade on top, the earlier version is automatically removed during the upgrade procedure.

Table 2.2. Upgrade lines

Tectia versionAIXHP-UXLinuxSolarisWindows
SSH Secure Shell 2.x-3.xremoveremoveremoveremoveremove
Tectia 4.0removeremoveremoveremoveremove
Tectia 4.1-4.xremoveremoveremoveremoveupgrade on top
Tectia 5.x-6.xupgrade on topupgrade on topupgrade on topremoveupgrade on top or remove if Transparent TCP Tunneling is installed

The configuration file format and file locations have been changed in Tectia Server 5.0. Because of that, the configuration files behave differently when upgrading from 4.x and from 5.x-6.x:

  • The 4.x configuration files are not migrated to 6.3, but the default 6.3 configuration is used. However, the connection profiles are migrated from 4.x to 6.3 on Windows platforms.

  • The 5.x-6.x configuration files are migrated to 6.3 as such and automatically taken into use there.

When necessary, you can modify the configuration files by using the Tectia Connections Configuration GUI or by editing the XML configuration files manually with an ASCII text editor or an XML editor.

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