Not able to login in Red Hat Enterprise Linux 7 system hosted on XenServer v6.2

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Issue

Booting Red Hat Enterprise Linux-7.2 on XenServer V6.2 and it stucks with below error: -

Oh No! Something has gone wrong, A problem has occurred and the system can't recover.

Not able to login to system because of Oh No! Something has gone wrong error.

Environment

Red Hat Enterprise Linux 7.x
XenServer v6.2

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