wilsonov Posted August 26, 2021 Share Posted August 26, 2021 Each time I start-up DCS (latest version 2.7), I'm prompted to enter the "product serial number" for both the F-15C and then again for Su-27 (it's the same serial number for both, as they came with the FC3 module). Is this normal sim. start-up ? :thumbup: Link to comment Share on other sites More sharing options...
Rudel_chw Posted August 26, 2021 Share Posted August 26, 2021 (edited) The FC3 is one module ... the F-15 and Su-27 are two other different modules, even if FC 3 includes the same aircrafts ... the modules are different. Most likely you have at some point tested the F-15 & Su-27 but have not purchased them .. enter your DCS Module manager and delete both Modules ... DO NOT delete FC3 Edited August 26, 2021 by Rudel_chw For work: iMac mid-2010 of 27" - Core i7 870 - 6 GB DDR3 1333 MHz - ATI HD5670 - SSD 256 GB - HDD 2 TB - macOS High Sierra For Gaming: 34" Monitor - Ryzen 3600X - 32 GB DDR4 2400 - nVidia GTX1070ti - SSD 1.25 TB - HDD 10 TB - Win10 Pro - TM HOTAS Cougar - Oculus Rift CV1 Mobile: iPad Pro 12.9" of 256 GB Link to comment Share on other sites More sharing options...
wilsonov Posted August 26, 2021 Author Share Posted August 26, 2021 33 minutes ago, Rudel_chw said: The FC3 is one module ... the F-15 and Su-27 are two other different modules, even if FC 3 includes the same aircrafts ... the modules are different. Most likely you have at some point tested the F-15 & Su-27 but have not purchased them .. enter your DCS Module manager and delete both Modules ... DO NOT delete FC3 Thanks ! :thumbup: Link to comment Share on other sites More sharing options...
jackd Posted November 4, 2021 Share Posted November 4, 2021 (edited) I have had the same problem with ALL the modules i have bought after installing a boot partition backup .... message: Failed to get authorization data. Error code is: 500 Using saved authorization fixed by a timezone reset ... Edited November 4, 2021 by jackd Link to comment Share on other sites More sharing options...
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