SAP Knowledge Base Article - Preview

2446327 - SNC Error Code A221021D Server refuses offered key exchange algorithm

Symptom

You are using SAP Single Sign-On or SNC Client Encryption and when logging onto SAP GUI you see the below error:

GSS-API(maj): Miscellaneous failure
GSS-API(min): A221021D:Server refuses offered key exchange algorithms
target="SNC Name"


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Environment

  • SAP Single Sign-On 2.0
  • SAP Single Sign-On 3.0
  • SNC Client Encryption 2.0

Product

SAP Single Sign-On 2.0 ; SAP Single Sign-On 3.0

Keywords

keytab, strust, sapgenpse , KBA , BC-IAM-SSO-SL , Secure Login , Problem

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