ESXi hosts failing to authenticate against Active Directory

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You may noticed ESXi host may fail to authenticate to AD when lsassd service fails
To resolve the issues
1. Place the host in Maintenance mode
2. Connect to host using SSH
3. Stop the lsassd services by runing /etc/init.d/lsassd stop
4. Copy the file /etc/krb5.conf from one host where the authentication works fine
5. Start the lsassd services /etc/init.d/lsassd start

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