HTTP Status 500 - com.wedgetail.idm.sso.ProtocolException

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Hi,

We are In the process of configuring SSO on BO server with the “Windows AD authentication"

Manually we are able to login but SSO we are unable to login, window authentication window popup but when i will provide user is and
password manually it will give below mention error:

ERROR

Type Status report

HTTP Status 500-

message com.wedgetail.idm.sso.ProtocolException:
com.wedgetail.idm.spnego.server.SpnegoException: GSSException: Failure
unspecified at GSS-API level (Mechanism level: com.dstc.security.kerberos.KerberosException:
Successfully matched service principal "sapbotservicesso@ROOT.LOCAL"
but not key type (18) + KVNO (3) in this entry: Principal: [1]
SAPBOTServiceSSO@ROOT.LOCAL TimeStamp: Thu Jan 01 01:00:00 CET 1970 KVNO: -1 EncType:
23 Key: 16 bytes, fingerprint = [af a2 4a 14 6a d7 b8 10 ea 16 ab 1c 48 52 d0
74] )

description The
server encountered an internal error (com.wedgetail.idm.sso.ProtocolException:
com.wedgetail.idm.spnego.server.SpnegoException: GSSException: Failure
unspecified at GSS-API level (Mechanism level:
com.dstc.security.kerberos.KerberosException: Successfully matched service
principal "sapbotservicesso@ROOT.LOCAL" but not key type (18) + KVNO
(3) in this entry: Principal: [1] SAPBOTServiceSSO@ROOT.LOCAL TimeStamp: Thu
Jan 01 01:00:00 CET 1970 KVNO: -1 EncType: 23 Key: 16 bytes, fingerprint = [af
a2 4a 14 6a d7 b8 10 ea 16 ab 1c 48 52 d0 74] )) that prevented it from
fulfilling this

Apache Tomcat 6.0.35

if any one face same problem please share the solution.

Regards

Arpan Saini