Xstore Point of Service Launch failes with Pre-Flight Checks Failed

Hi Guys,

We have implemented Xstore Point of service version 16. We have performed below Steps

1: Created three databases XSTORE, TRAINING and REPLICATION and completed all prerequisites

2: Installed Point of Service, Which got completed successfully. Now we are getting Error saying Pre-Flight Checks Failed

In Failed persistence I can see below error multiple times

Persistence Failed: java.lang.Throwable: STACK TRACE - Could not save data.

2017-02-17 15:02:34,728 [startup] ERROR dtv.data2.access.status.StatusMgr.logOffline(StatusMgr.java:307)

<FailedPersistence><dao name="EventLogEntry" cmd="INSERT"><fld id="BusinessDate" val="1487289600000"/><fld id="CreateUserId" val="0"/><fld id="OrganizationId" val="1000"/><fld id="RetailLocationId" val="101"/><fld id="CreateDate" val="1487323954712"/><fld id="LogLevel" val="WARN"/><fld id="Source" val="dtv.data2.access.status.StatusMgr.logOffline(StatusMgr.java:307)"/><fld id="LogMessage" val="&lt;Offline&gt;