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Clock tamper detection error

Error(s) occurred on validating key: [SENTINELLM,STANDALONE,#####]

Error[26]: Request denied due to clock tamper detection.

    . . .-whilst obtaining licence for "LusasM_#####"

The error message above refers to a particular license key ID ##### and indicates that the license software has detected a change to the PC’s clock (clock tamper/time tamper error). If there have been no known changes made to the time set on the PC or license server clock, this can still occur for example, if the computer is on a network and the network administrator has set-up the server to synchronise the time on all of its clients, for example, using time sync software. Not all time sync software packages operate in a way that is consistent with Microsoft standards. Because of this, when that software changes or updates the time on the machine, it will set off the clock tampering flags of that operating systems. Sentinel RMS reviews those flags. If Sentinel RMS sees that the OS has detected time tampering, it will act accordingly.


If a PC has been set to a date/ time far in the future (e.g. months or years) by accident, then it will be necessary to obtain a time tamper fix from Support@lusas.com.  Please mention the licence key ID affected and send a screenshot of the error message encountered.


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Any modelling, design and analysis capabilities described are dependent upon the LUSAS software product, version and option in use.