SP2010 with Project Server and OWA installed, at SP2 level. Error happened during regular nightly SP jobs early this morning on the SharePoint server. Only that one occurrence. Saw KB, posts on the STS issue, but local trust does exist in CA > Security > Manage Trusts. Note that the CN is products.office.com. I checked server's local computer certificate store and maybe I missed it but can't find a certificate with that CN in any cert folder.
An operation failed because the following certificate has validation errors:\n\nSubject Name: CN=products.office.com, OU=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, S=WA, C=US\nIssuer Name: CN=Microsoft IT SSL SHA2, OU=Microsoft IT, O=Microsoft Corporation, L=Redmond, S=Washington, C=US\nThumbprint: 6921D3CF8BDEE3F60733799427FBCDDC12382813\n\nErrors:\n\n The root of the certificate chain is not a trusted root authority..
I am the only SharePoint admin and I did not make any changes to SharePoint or the server. Also, searched online for what is certificate with CN=products.office.com and did not find any reference.
Anyone know what and why?
Thanks,
Joan