Bug
ArcGIS Web Adaptor (IIS) returns a HTTP 500 error when a request includes certain forward proxy header values for 'Via'.
| Bug ID Number | BUG-000158105 |
|---|---|
| Submitted | May 5, 2023 |
| Last Modified | August 6, 2025 |
| Applies to | ArcGIS Web Adaptor |
| Version found | 11.1 |
| Operating System | Windows Server |
| Operating System Version | 2019 64 Bit |
| Version Fixed | 11.2 |
| Status | Fixed |
Additional Information
This defect was initially resolved in the ArcGIS Web Adaptor (IIS) 11.1 Reliability Patch and is also included in the ArcGIS Web Adaptor (IIS) 11.1 Reliability Update 2 Patch. The ArcGIS Web Adaptor (IIS) 11.1 Reliability Update 2 Patch is available for download at: https://support.esri.com/en-us/patches-updates/2023/arcgis-web-adaptor-iis-11-1-reliability-update-2-patchWorkaround
This defect is resolved in the in the ArcGIS Web Adaptor (IIS) 11.1 Reliability Update 2 Patch. The ArcGIS Web Adaptor (IIS) 11.1 Reliability Update 2 Patch is available for download at: https://support.esri.com/en-us/patches-updates/2023/arcgis-web-adaptor-iis-11-1-reliability-update-2-patch
Steps to Reproduce
Bug ID: BUG-000158105
Software:
- ArcGIS Web Adaptor
Get notified when the status of a bug changes
Discover more on this topic
Search for related information
Find training related to this topic
Explore ideas and give feedback
Get help from ArcGIS experts
Download the Esri Support App