PME 8.x: An HTTP Error 500.19 - Internal Server Error is shown when attempting to access Dashboards and/or Reports

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An HTTP Error 500.19 - Internal Server Error is shown when attempting to access Dashboards and/or Reports

Issue
An HTTP Error 500.19 - Internal Server Error is shown when attempting to access Dashboards and/or Reports. The requested page cannot be accessed because the related configuration data for the page is invalid. Error Code: 0x800700c1.

Product Line
Power Monitoring Expert (PME) 8.x
Power Monitoring Expert (PME) 9.x
Power Monitoring Expert (PME) 2020
Power Monitoring Expert (PME) 2021
Power Monitoring Expert (PME) 2022
Power Monitoring Expert (PME) 2023
Power Monitoring Expert (PME) 2024

Environment
Web Applications

Cause
This error occurs as a result of the DynamicCompressionModules and StaticCompressionModule being installed when Windows Server Update Services (WSUS) is installed on the same machine.

WSUS Administration Home in IIS

Resolution
1. Open IIS
2. Click on server module node at the top of the left hand tree and choose "Modules".
3. Right click on DynamicCompressionModule and choose "Unlock"
4. Right click on StaticCompressionModule and choose "Unlock".
5. Open desired websites -> Open Modules.
6. Right click on DynamicCompressionModules and choose "remove".
7. Right click on StaticCompressionModule and choose "Remove".
8. Restart IIS.