Unable to upload attachments bigger than 1 GB after installing a new CPS in Windchill PDMLink

• Unable to upload attachments bigger than 1 GB after installing CPS26 in Windchill PDMLink 11.1 M020
• Unable to upload attachments bigger than 1.5 GB after installing a CPS in Windchill PDMLink 12.0
• Unable to CheckIn files bigger than 1.1 GB in Windchill PDMLink 11.1 M020-CPS16
• The green progress bar stops, and the upload fails
• Unable to load any local large ZIP Mb files to Windchill PDMLink while creating a WTDocument, the loading page becomes unavailable (spinning wheel) even after a long time
• Is there a file size upload limit for Windchill?
• Smaller files than the reported size for each Windchill version above are uploaded with no issue
• HTTP 413 error in Apache log:

/Windchill/servlet/WindchillGW/wt.fv.uploadtocache.DoUploadToCache_Server/doUploadToChache_Master?mk=wt.fv.uploadtocache.DoUploadToCache_Server&VaultId=76704&FolderId=3201129&SSC=2&CheckSum=8101004&sT=1666276620&sign=2Q6WZEDr0PUk3DiyS0NSSACa56KsYJTTlYJVljLTFEU%3D&site=http%3A%2F%2F<host_name>%2FWindchill%2Fservlet%2FWindchillGW&AUTH_CODE=HmacSHA256&isProxy=true&delegate=com.ptc.windchill.enterprise.attachments.server.AttachmentsFormGeneratorDelegate HTTP/1.1" 413 316 0

• Import of large Windchill Import Management (IXB) archives fails with the import hanging (no response in the UI) and an HTTP 413 error in the Apache log:

• "POST /Windchill/servlet/rest/ixb/import_operations HTTP/1.1" 413 316 999

• HTTP Upload Failed with the error below in Conflict Management when the user was trying to upload CAD data over 1 GB in Windchill Workgroup Manager:

Upload Failure code :J03_WCCLD_CONNECTION_FAILURE locMsg :Connection failedApplies To: https://<host name>/Windchill/servlet/WindchillGW/wt.fv.uploadtocache.DoUploadToCache_Server/doUploadToCache_Master?mk=wt.fv.uploadtocache.DoUploadToCache_Server&VaultId=###&FolderId=### ... 
&delegate=com.ptc.windchill.uwgm.proesrv.upload.EPMUploadResponseDelegate: Request Entity Too Large