Article - CS378059
HTTP 413 "Request Entity Too Large" troubleshooting in Windchill PDMLink
Modified: 01-Dec-2025
Applies To
- Windchill PDMLink 12.0 to 13.0
Description
- How to troubleshoot Request Entity Too Large or Payload Too Large errors?
- How to troubleshoot HTTP status code 413?
- Reproducible in Chrome, Firefox, Microsoft Edge
- While finishing task or creating task getting loading symbol in Windchill PDMLink
- While creating ECN getting "Request Entity too Large" error
- Failed to upload attachment with error below during creating Document
Request Entity Too Large
- In some cases no error is displayed and a spinning wheel is shown
- Users receiving intermittent HTTP 413 errors after configuring SSO with IBMid using OIDC
- Disabling SSO allows Windchill to function normally
- Example of Chrome showing spinning wheel:
- Same operation in Edge failed immediately with error message:
- HTTP/1.1" 413 response in Apache access log:
xxx.xxx.xxx.xxx:51303 - <username> [03/Oct/2022:09:05:58 +0000] "POST /Windchill/ptc1/principalpicker/principalPickerCD_step?unique_page_number=58293595480137_0&AjaxEnabled=row&wizardActionClass=com.ptc.windchill.principal.administration.ParticipantCommands&wizardActionMethod=addPrincipalsToParticipantAdmin&tableID=table__participantAdministration.listParticipants_TABLE&actionName=addParticipantToPAList&portlet=poppedup&context=administration%24participantAdministration%24OR%3Awt.inf.container.OrgContainer%3A109160%24&oid=OR%3Awt.inf.container.OrgContainer%3A109160&stepId=principalpicker.principalPickerCD_step&dynamicStepLoad=true HTTP/1.1" 413 316 1175
- Some of the Windchill pages keep loading in Firefox.
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