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how to setup F5 Big-IP and ArcGIS Server 10.8.1, no web adaptors, to allow print service to work, windows

JaniceBaird

I have 2 virtual machines with windows 2019 and ArcGIS Server 10.8.1. I am trying to implement a F5 Big-IP load balancer in place of web adaptors. We have all three servers in the DMZ. I have a geoprocessing service which is used for printing a map. The geoprocessing service works when I browse to the rest endpoint and select "execute task". This is the Export Web Map task and I provide a json string with the map information, a string for the output format (PDF), and a paper size (Letter ANSI A Landscape). The task works and creates a PDF of the map as long as I do not include any map layers from my gis server site. The server log has the following error messages:

SEVERE Dec 28, 2020, 9:53:45 AM Error executing tool. Export Web Map Geoprocessing/BasicPrinting.GPServer
SEVERE Dec 28, 2020, 9:53:45 AM Error executing tool. Export Web Map : Layer "layer2": Unable to connect to map server at https://<loadbalancer>/arcgis/rest/services/Assessor/PropertyMap_CU_Inside/MapServer/. Failed to execute (ExportWebMap). Failed to execute (Export Web Map). Geoprocessing/BasicPrinting.GPServer
WARNING Dec 28, 2020, 9:53:45 AM A connection with the server could not be established (WinINet Error while using HTTPS security, 12029), URL = https://<loadbalancer>/arcgis/rest/services/Assessor/PropertyMap_CU_Inside/MapServer?f=json Geoprocessing/BasicPrinting.GPServer
WARNING Dec 28, 2020, 9:53:44 AM A connection with the server could not be established (WinINet Error while using HTTPS security, 12029), URL = https://<loadbalancer>/arcgis/rest/info?f=json Geoprocessing/BasicPrinting.GPServer

Has anyone been able to set-up and use an F5 load balancer with ArcGIS Server 10.8.1 stand-alone site and still be able to use the Export Web Map service?

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Accepted answers

JoshuaBixby

Fundamentally this is a Windows error code and Windows issue. ArcGIS Server is the symptom here, not the problem. Error Messages (Wininet.h) - Win32 apps | Microsoft Docs

ERROR_INTERNET_CANNOT_CONNECT
12029
The attempt to connect to the server failed.

If you are seeing the load balancer URL in the logs, than the URL translations between GIS Server and the F5 are working, which is good. Since these servers are in a DMZ, I am guessing the F5 is blocking their connection back to the F5. I assume if you log into the console of one of these machines and try to connect using a browser to https://<loadbalancer>/arcgis/rest/info, it will fail.

All comments

JoshuaBixby

Fundamentally this is a Windows error code and Windows issue. ArcGIS Server is the symptom here, not the problem. Error Messages (Wininet.h) - Win32 apps | Microsoft Docs

ERROR_INTERNET_CANNOT_CONNECT
12029
The attempt to connect to the server failed.

JaniceBaird

Joshua,

That is exactly correct. I cannot browse to the rest services from the arcgis server through the F5. I can browse all day from other computers. Do you have any idea how to correct this issue?

Thanks,

Janice.

JonathanQuinn

One option is to set up a forward proxy, then configure the forward proxy at the OS level as well as in ArcGIS Server. Server will then reach external endpoints via the forward proxy.

https://enterprise.arcgis.com/en/server/latest/deploy/windows/using-a-forward-proxy-server-with-arcgis-server.htm

JaniceBaird

Hi Jonathan,

Thanks for the reply. My IT department tells me that we do not use a forward proxy. I am guessing that you are saying that we should use a forward proxy. I am working with the IT department at this time but it is not going quickly. They are not comfortable with the gis servers and I know nothing about the load balancer configuration. I am unable to browse from my gis server to the load balancer but can browse to it from my workstation. Are there settings that need to be updated on the gis server to allow it to talk to the load balancer? I did follow one technical article about running IE as the arcgis service account and making sure the LAN settings were unchecked and the load balancer url was added to the intranet zone sites. This did not improve my situation. I do have a case open with technical support but this is going slow as well.

Thanks,

Janice.

JaniceBaird

I have marked JoshuaBixby as providing the solution. He is right about it being a network issue and not a GIS Server issue. The Network folks did something with an external listener which allowed the gis servers to access themselves through the load balancer. I don't have the exact terminology but could probably provide more info if anyone is interested.

Thanks to Jonathan and Joshua for sticking with me.

Janice.

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