Summary
IDP configured as SAML2 Service Provider reports error The maximum number of allowable sessions has been reached. (300101051-[DEVICEID]

Products
Access Manager (NAM)

Environment
Access Manager Version 5.0.2
Access Manager IDP server configured as SAML2 Service provider
Azure SAML2 Identity Provider has been configured with:
Authentication Card:
=> Authentication contracts
=> Satisfies contract has been assigned for the contract that should be used (remote contract)
=> User Identification Attribute Matching settings enabled

Authentication Contract has been configured with:
=> Satisfiable by External Provider
=> no Authentication Method Assigned

Note: IDP Cluster Limit user sessions has not been enabled

Read Full Support Article for Situation, Cause and Resolution Steps. 

Support Aritcle Reference Number (URL Name)
KM000008400