Error "Request Entity Too Large" when upgrading RSA Authentication Manager from versions (8.2 SP1 up to 8.4 P13) to 8.5
An attempt to upgrade RSA Authentication Manager to version 8.5 while using the browser as an update source, the following error is received.
Error 413--Request Entity Too Large
See the following note: Upgrading RSA Authentication Manager You can upgrade directly to RSA Authentication Manager 8.5 from a Windows shared folder, an NFS share, or a DVD or CD. Applying the version 8.5 upgrade through your local web browser is not supported.
Also, The maximum upload size that is allowed by the Operations Console is 2 GB by default, while the Authentication Manager 8.5 upgrade ISO is 3 GB+.
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To resolve the error, use another update-source other than the local browser from the available options (NFS, Windows Share, DVD/CD).