After rebooting Exchange 2010 server is stuck on "Applying Group Policy settings"

After rebooting server, Users are unable to send and receive Email

We are able to
All of the Exchange related services are in stopped state and after rebooting Exchange server, stuck on "Applying Group Policy settings"

We replicated DC from "AD sites and services", added Exchange server "SVR13" into Exchange server

Group from "Exchange Security Group"and suggest to reboot he box. still same issue.

Customer is able to boot Exchange server into Networking with Safe mode


http://www.exchangewarrior.com/exchange-2007/exchange-server-stuck-on-applying-group-policy-settings/

Troubleshooting Steps : DAG suddently failover

Exchange 2010 Service pack 3 with Update Rollup 2.

Understand that one of the DAG member stopped responding for the clients hence the users were unable to access their mailbox.

In order to overcome this situation, customer has moved all the resources to another node and rebooted the problem node


Diagnosis Given : Network issue, Network connectivity lost between FSW and Exchange