Resolution

Log into the applicable target server with tylerservice or equivalent
Open IIS Manager
In the Connections panel on the left, click the arrow next to the server name
Expand Sites
Click the applicable web site
Double-click Logging
Under the Log File section, click Select Fields
In the bottom left corner, click Add Field
In the Add Custom Field window, complete the following fields:
1. Field Name: X-Forwarded-For
2. Source Type: Request Header
3. Source: X-Forwarded-For
Click OK on the Add Custom Field window
Click OK on the W3C Logging Fields window
From the Actions pane on the right, click Apply to implement the change

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