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WLS SSL Communication Fails with Error " Algorithm constraints check failed on key RSA with size of 1024bits" (Doc ID 2741142.1)

Last updated on JANUARY 10, 2022

Applies to:

Oracle WebLogic Server - Version 10.3.6 and later
Information in this document applies to any platform.


In this case Admin Server and Node Manager SSL communication fails with the following error. The same issue can appear between any client and server SSL communication.

SSL Debugs enabled for Admin Server and Node Manager, Admin Server log shows following error:


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