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In the dialog area Connected servers you can ...
... setup a Master-Backup cluster of license servers. Using a backup server is always recommended, in order to be able to go on working at a failure. In backup mode this is possible up to 12 hours. Even more secure is the usage of three license servers. In this way it is possible to work unlimited as long as two out of three are available.
![[Note]](https://webapi.partcommunity.com/service/help/latest/pages/it/installation_ecatalogsolutions/doc/images/note.png)
Note At first you should make sure that you have a correct license file, where all needed servers are listed. Also see Section 1.4.4.12, “ Tabbed page "Request licenses online"”.
In the following the single functions are described in detail:
In order to be able to administrate the license server, you have to connect to it. Without connection all tabbed pages are inactive.
Click on the button (if the dialog Connect to FLM server... is not yet open).
-> The dialog Connect to FLM server... is opened.
Select one of the three following options:
Use server from client configuration
That server is chosen which is selected under Category "License administration" -> tabbed page General -> Dialog area Floating (license already installed).
Configure existing license server
All license servers found in the network are listed (license already installed). Mark the desired license server.
Configure freshly installed license server
New set up license servers are displayed (with PASSIVE, PASSIVE), which are not configured yet (not defined as master or backup yet). Mark the desired license server.
Select the desired license server (or several, if you want to set up a cluster).
Not until a license file has been installed and a password has been entered and has been clicked, the display changes to MASTER or BACKUP.
More details can be found under Section 1.4.4.2, “ Configure freshly installed license server ”.
If a license has already been installed (this is the case at options Use server from client configuration and Configure existing license server, the dialog Please enter server password is opened.
Enter a password and confirm with .
-> Now all tabbed pages are activated and you can perform settings. Details on the individual tabbed pages can be found in the following sections.
The tabbed page Licenses is selected by default. If licenses have already been installed, they are displayed.
In the dialog area Connected servers, the single columns show information on Name, Type (Master | Backup | Passive), Role (Master | Backup | Passive), Status, Version and Host ID (all valid ones are stated, separated by "/", the first ID is the mac address).
The button is now inactive, the buttons , , and active.
In order to overtake any changes performed on the tabbed pages or Connected servers you have to click on the button (not on the icon above in the main window).
Via , all connected servers are disconnected and not displayed anymore. Then you have to login with password again.
: Save configuration in the form of a json file. Open the file in Notepad. The first entry under "hostids" shows the server's mac address. In this way you can detect it remotely. It is required in order to create the license.
: By clicking on a warning is displayed. If you confirm with , all local license files are deleted and the servers are displayed as PASSIVE again. Then you can begin to create a master-backup cluster anew.
