ArcGIS License Server Administrator cannot start the solution

  Because ArcGIS License Server Administrator cannot be started normally, so if you cannot open ArcMap, the following situation will occur:

Here is my solution:

  1. First find the service.txt text file in your License 10.2 folder and open it:

  Here you need to change the local name of the file, such as:

  Save and close, you can restart.

Regarding how to get the hostname, I use this method:

  First open a command line window, and then enter hostname, you can get the host name:

If there is still a problem that cannot be opened: " Not_set ", do the following:

  Open ArcGIS Manager and change Not_set to localhost :

  Finally, successfully opened:

  Hope it can be of some help to you.