PROBLEM
After upgrading ArcGIS Server to 10.6.1, attempts to print using print services fail. Reviewing the REST endpoint indicates the job titled 'Export Web Map Task' does not exist. 'Export Web Map Task' is responsible for processing the data to produce an output available for download, and in this case, to print. If the job is absent from the REST endpoint, this indicates the print service is unable to print.
This issue occurs if the 'Upgrade Site' option is not selected in the web browser window after the ArcGIS Server installation is complete.
The following workaround enables users to return to the installer screen to select the Upgrade Site option.
C:\Program Files\ArcGIS\Server\framework\etc\
https://localhost:6443/arcgis/managerThis returns a prompt to upgrade ArcGIS Server.
Article ID: 000019121
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