# Error 500 during EPIC aggregation. Test connection works

**URL:** <https://developer.sailpoint.com/discuss/t/error-500-during-epic-aggregation-test-connection-works/188106>\
**Category:** SHF Discussion and Questions\
**Tags:** aggregation, sailpoint-identity-security\
**Created:** [November 12, 2025, 5:32pm UTC](https://developer.sailpoint.com/discuss/t/error-500-during-epic-aggregation-test-connection-works/188106 "2025-11-12T17:32:57Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![rk-cyderes](https://avatars.discourse-cdn.com/v4/letter/r/7ea924/32.png) [@rk-cyderes](https://developer.sailpoint.com/discuss/u/rk-cyderes)\
**Post date:** [November 12, 2025, 5:32pm UTC](https://developer.sailpoint.com/discuss/t/error-500-during-epic-aggregation-test-connection-works/188106/1 "2025-11-12T17:32:57Z")

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> Error 500 during EPIC aggregation. Test connection works.

The EPIC EMP connector is successful when testing connection, however it fails when running aggregation with the below mentioned error, it aggregates only about 300 accounts. I have tried disabling partitions and run the aggregations, I still get the same error with the message “Error aggregating partitions.“, and the aggregation fails almost immediately. No accounts are aggregated.

**Error!**

Error aggregating partitions.  
[[ConnectionFailedException]  
[Possible suggestions] Ensure the Epic system host is reachable and there is a smooth connectivity between Identity Server and Epic host.  
[Error details] Failed to connect to Epic System. HTTP Status code 500 and non-SOAP response received. URL: https://\*\*\*\*.epichosted.com/SailPoint\_PLY/wcf/Epic.Security.GeneratedServices/PersonnelManagement.svc/basic\_2014, Response content type: null]

Any guidance on what the issue could be?

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**Author:** ![pkMishra](https://sea1.discourse-cdn.com/sailpoint/discuss/user_avatar/developer.sailpoint.com/pkmishra/32/30342_2.png) [@pkMishra](https://developer.sailpoint.com/discuss/u/pkMishra)\
**Post date:** [November 14, 2025, 12:07pm UTC](https://developer.sailpoint.com/discuss/t/error-500-during-epic-aggregation-test-connection-works/188106/2 "2025-11-14T12:07:32Z")

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Hi Rahul,

Could you try to change the aggregation setting and change the page size with low in numbers( eg. 10 or 50).

In case that doesn’t work I would suggest to increase the timeout value accordingly. Let me know if that works.

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**Author:** ![Mallika](https://avatars.discourse-cdn.com/v4/letter/m/e5b9ba/32.png) [@Mallika](https://developer.sailpoint.com/discuss/u/Mallika)\
**Post date:** [November 17, 2025, 8:07pm UTC](https://developer.sailpoint.com/discuss/t/error-500-during-epic-aggregation-test-connection-works/188106/3 "2025-11-17T20:07:38Z")

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> [@pkMishra](#):
>
> me know if that works

Hi Prashant,

I am in the same project, so replying on Rahul’s behalf.  
We have tried to play around with the page size and timeout settings. But its not working whatsoever and still giving the same error.

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**Author:** ![pkMishra](https://sea1.discourse-cdn.com/sailpoint/discuss/user_avatar/developer.sailpoint.com/pkmishra/32/30342_2.png) [@pkMishra](https://developer.sailpoint.com/discuss/u/pkMishra)\
**Post date:** [November 18, 2025, 9:28am UTC](https://developer.sailpoint.com/discuss/t/error-500-during-epic-aggregation-test-connection-works/188106/4 "2025-11-18T09:28:46Z")

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Hi Mallika,

Could you please go to Aggregation setting and do the suggested configuration.

1. Provide the error in Retry Error List

2. Increase retryCount

3. Increase Wait Time for Retry to 5000

If in case it still doesn’t work I would suggest to open a ticket with SailPoint Professional Services as it’s a OOTB connector by SailPoint.

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**Author:** ![system](https://global.discourse-cdn.com/sailpoint/original/2X/f/f2136700ed5e3703e0b85e02f6be799dacca7735.png) [@system](https://developer.sailpoint.com/discuss/u/system)\
**Post date:** [January 17, 2026, 9:28am UTC](https://developer.sailpoint.com/discuss/t/error-500-during-epic-aggregation-test-connection-works/188106/5 "2026-01-17T09:28:58Z")

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