SSSD: Cannot find KDC for requested realm

Issue

• User login failing with below error.

(Fri Sep  9 02:08:06 2016) [[sssd[krb5_child[7067]]]] [get_and_save_tgt] (0x0400): Attempting kinit for realm [EXAMPLE.COM]
(Fri Sep  9 02:08:06 2016) [[sssd[krb5_child[7067]]]] [sss_child_krb5_trace_cb] (0x4000): [7067] 1473404886.246896: Getting initial credentials for tuser@EXAMPLE.COM
(Fri Sep  9 02:08:06 2016) [[sssd[krb5_child[7067]]]] [sss_child_krb5_trace_cb] (0x4000): [7067] 1473404886.247029: Sending request (211 bytes) to EXAMPLE.COM
(Fri Sep  9 02:08:06 2016) [[sssd[krb5_child[7067]]]] [sss_child_krb5_trace_cb] (0x4000): [7067] 1473404886.247148: Retrying AS request with master KDC
(Fri Sep  9 02:08:06 2016) [[sssd[krb5_child[7067]]]] [sss_child_krb5_trace_cb] (0x4000): [7067] 1473404886.247162: Getting initial credentials for tuser@EXAMPLE.COM
(Fri Sep  9 02:08:06 2016) [[sssd[krb5_child[7067]]]] [sss_child_krb5_trace_cb] (0x4000): [7067] 1473404886.247193: Sending request (211 bytes) to EXAMPLE.COM (master)
(Fri Sep  9 02:08:06 2016) [[sssd[krb5_child[7067]]]] [get_and_save_tgt] (0x0020): 1232: [-1765328230][Cannot find KDC for requested realm]
(Fri Sep  9 02:08:06 2016) [[sssd[krb5_child[7067]]]] [map_krb5_error] (0x0020): 1301: [-1765328230][Cannot find KDC for requested realm]
(Fri Sep  9 02:08:06 2016) [[sssd[krb5_child[7067]]]] [k5c_send_data] (0x0200): Received error code 1432158209
(Fri Sep  9 02:08:06 2016) [[sssd[krb5_child[7067]]]] [pack_response_packet] (0x2000): response packet size: [4]
(Fri Sep  9 02:08:06 2016) [[sssd[krb5_child[7067]]]] [k5c_send_data] (0x4000): Response sent.
(Fri Sep  9 02:08:06 2016) [[sssd[krb5_child[7067]]]] [main] (0x0400): krb5_child completed successfully