DataSync cross origin service connections failing
When attempting to connect to secure AGOL feature services, DataSync service connections are failing to initialize due to a CORS policy error
Access to fetch at xxxxx from origin 'https://xxxxxmunisapp.tylerhost.net' has been blocked by CORS policy: The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'.
Enterprise Asset Management
EAM
 Defect was introduced with changes released to address DataSync services failing to initialize after upgrading
Install the appropriate work ticket for your version:
2019.1.22.2976 - MUN-463721
2021.5.0.1722 - MUN-463794
2021.6.0.1415 - MUN-463795
2021.7.0.1117 - MUN-463796
2021.8.0.818 - MUN-463797
2021.9.0.441 - MUN-463798
Workaround: There is currently no workaround for this issue. If you need additional assistance or to create a support case to track the issue, please contact Enterprise ERP Financial Assets and Civic Support.