AUSST product download error

New AUSST server with win server 2019 

IIS

Running most recent AUSST tool

when i sync, either full or incremental the sync completes as follows.

C:\AUSST>AdobeUpdateServerSetupTool.exe --root="C:\inetpub\wwwroot\updates" --incremental
Incremental Synchonization chosen.
Started processing for Acrobat. -
Finished processing for Acrobat successfully

Error in 2 items.
AdobeUpdateServerSetupTool returned with code: 0.
For more information refer AdobeUpdateServerSetupTool.log at C:\Users\ADM-MH~1\AppData\Local\Temp\ .

The AdobeUpdateServerSetupTool.log shows:

09/03/20 16:48:30:324 | [INFO] | | AAMEE | Utilities | AUSST | | | 11464 | Received progress from HDPIM 0 percent
09/03/20 16:48:31:144 | [INFO] | | AAMEE | Utilities | AUSST | | | 11588 | Populating install data from Application JSON
09/03/20 16:48:31:151 | [FATAL] | | AAMEE | Utilities | AUSST | | | 11588 | Error occurred in download workflow with error LargestUInt out of UInt range
09/03/20 16:48:31:334 | [ERROR] | | AAMEE | Utilities | AUSST | | | 11464 | Received error from HDPIM type = 8 code = 101
09/03/20 16:48:31:334 | [INFO] | | AAMEE | Utilities | AUSST | | | 11464 | Received progress from HDPIM 0 percent
09/03/20 16:48:31:334 | [INFO] | | AAMEE | Utilities | AUSST | | | 11464 | Received progress from HDPIM 1 percent
09/03/20 16:48:31:350 | [INFO] | | AAMEE | Utilities | AUSST | | | 6716 | Inside hdpimControlProgress for request type '2' with driverXML <DriverInfo><ProductInfo><SapCode>PPROBETA</SapCode><CodexVersion>14.5</CodexVersion><BuildVersion>14.5.0.12</BuildVersion><BuildGuid>f9cab8ed-354d-4d94-90c9-f84112af9251</BuildGuid><Platform>osx10-64</Platform><EsdDirectory>C:\inetpub\wwwroot\updates\ACC\products</EsdDirectory></ProductInfo><RequestInfo><replicateServerDirectoryStructure>true</replicateServerDirectoryStructure><validationDirectory>C:\inetpub\wwwroot\updates\ACC\services\ffc\validation</validationDirectory><packageServiceDirectory>C:\inetpub\wwwroot\updates\ACC\services\ffc\packages</packageServiceDirectory><IgnorePackageCondition>true</IgnorePackageCondition><x-api-key>AUSST_4_0</x-api-key></RequestInfo></DriverInfo>
09/03/20 16:48:31:350 | [INFO] | | AAMEE | Utilities | AUSST | | | 6716 | Exiting hdpimControlProgress with status '0'
09/03/20 16:48:31:841 | [INFO] | | AAMEE | Utilities | AUSST | | | 11464 | Received cancel completed from HDPIM
09/03/20 16:48:31:904 | [INFO] | | AAMEE | Utilities | AUSST | | | 6716 | Inside hdpimTerminateSession
09/03/20 16:48:31:905 | [INFO] | | AAMEE | Utilities | AUSST | | | 6716 | Exiting hdpimTerminateSession, successfully closed session '0'
09/03/20 16:48:31:905 | [INFO] | | AAMEE | Utilities | AUSST | | | 6716 | Download failed for HD Product PPROBETA 14.5 14.5.0.12 osx10-64
09/03/20 16:48:31:907 | [INFO] | | AAMEE | Utilities | AUSST | | | 6716 | Starting download for HD Product PPROBETA 14.4 14.4.0.28 win64

Any help would be appreciated.

Michael