Starting an Esri software product may return the following error:
"The System Clock has been set back to the past. This is not allowed!"
Any action that puts future-dated files on the license manager server results in the error message shown above. Setting the system clock to the past, setting the clock ahead and then back to the present, or getting future-dated files from another source are all examples of such an action.
Note: Setting the clock back does not cause this error if the user has a permanent license. The software can still be launched.
Figure 1: The Date and Time Properties dialog box
Please see the Microsoft help documentation for the appropriate operating system
to show hidden files, folders, and drives.
The following step is not necessary in Version 10 and later versions. Setting the
clock back to the current date and time should resolve the error.
Please see the appropriate Microsoft help documentation for help on how to search
for files by date.
This step is not necessary in Version 10 and later versions. Setting the clock back
to the current date and time should resolve the error.
The instructions below include making changes to essential parts of your operating
system. It is recommended that you backup your operating system and files,
including the registry, before proceeding. Consult with a qualified computer systems
professional, if necessary. Esri cannot guarantee results from incorrect modifications
while following these instructions; therefore, use caution and proceed at your own risk.
Though other alternatives may be available, Esri Technical Support cannot provide or
support the use of them. If there are further questions regarding the information in this
article, contact Esri Technical Support, otherwise direct all other inquiries to an Esri