Exchange.bat to Reboot Exchange Services

net stop MSExchangeES /y
net stop MSExchangeIS /y
net stop MSExchangeMTA /y
net stop MSExchangeSA /y
net stop POP3Svc /y
net stop IMAP4Scv /y

If POP3 and IMAP4 are not used by your exchange organization, you can eliminate the last two lines.
Also you can use similar batch file script to start all those services, after the exchange server restarted.

net start MSExchangeES /y
net start MSExchangeIS /y
net start MSExchangeMTA /y
net start MSExchangeSA /y
net start POP3Svc /y
net start IMAP4Scv /y