BMXAA1477E – The connection failed to the HTTP handler for the endpoint.

When first time trying to make Maximo connect to the PeopleSoft or other servers using MIF, you may get the following error:

BMXAA1477E – The connection failed to the HTTP handler for the endpoint. PKIX path building failed: PKIXCertPathBuilderImpl could not build a valid CertPath.; internal cause is: The certificate issued by CN=AddTrust External CA Root, OU=AddTrust External TTP Network, O=AddTrust AB, C=SE is not trusted; internal cause is: Certificate

The fix for this problem is:

1. Go to URL of PeopleSoft web service, find out its certificate issuing authority, eg.  Issued by: InCommon Server CA.

2. Then from IE, click Tools->Internet Options->Content->Certificates->Trusted Root Certification Authorities, select AddTrust External CA Root. Export the certificate to a file.

3. Log into WebSphere Admin Console, click SSL certificate and key management > Key stores and certificates > CellDefaultTrustStore > Signer certificates > add a signer certificate by selecting the cert file you saved at step2.

4. Restart the application server


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