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Yes you can disable. <br />
<br />
On another note.. we ditched Symantec Mail Security because of various issues.. we now only run OS level AV and use a 3rd party for AV\SPAM filtering. Not saying you should to, but there are known odd issues those who run it experience. 
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Yes you can disable.

On another note.. we ditched Symantec Mail Security because of various issues.. we now only run OS level AV and use a 3rd party for AV\SPAM filtering. Not saying you should to, but there are known odd issues those who run it experience.

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<div class="content wysiwyg-content">
 Wondered if it is necessary to run the Symantec Mail<br />
Security Utility Service on the Exchange servers, since we are not using<br />
the Antispam Protection? &nbsp;If not, can I disable or remove the service?<br />
<br />
One other thing I have noticed since we upgraded is that the Sunday<br />
night scans seem to impact the Exchange online maintenance schedule,<br />
once it has run.<br />
Example . . Our online maintenance normally runs at 6pm each night.<br />
Once we upgraded Symantec on the Exchange servers, after the first<br />
Sunday night scan ran the maintenance didn't start the following nights<br />
until 9:45 pm. .<br />
<br />
Just wondered if there is something documented about this . .<br />
<br />
Thanks for your help!
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</div>


 Wondered if it is necessary to run the Symantec Mail
Security Utility Service on the Exchange servers, since we are not using
the Antispam Protection?  If not, can I disable or remove the service?

One other thing I have noticed since we upgraded is that the Sunday
night scans seem to impact the Exchange online maintenance schedule,
once it has run.
Example . . Our online maintenance normally runs at 6pm each night.
Once we upgraded Symantec on the Exchange servers, after the first
Sunday night scan ran the maintenance didn't start the following nights
until 9:45 pm. .

Just wondered if there is something documented about this . .

Thanks for your help!

symantec mail security for exchange questions

Anti-virus software was originally developed to detect and remove computer viruses. However, with the proliferation of other kinds of malware, antivirus software started to provide protection from other computer threats. In particular, modern antivirus software can protect from malicious browser helper objects (BHOs), browser hijackers, ransomware, keyloggers, backdoors, rootkits, trojan horses, worms, malicious layered service providers (LSPs), dialers, fraud tools, adware and spyware. Some products also include protection from other computer threats, such as infected and malicious URLs, spam, scam and phishing attacks, online identity theft (privacy), online banking attacks, social engineering techniques, Advanced Persistent Threat (APT), botnets and DDoS attacks.

Anti-Virus Apps

Spyware is software that aims to gather information about a person or organization without their knowledge and that may send such information to another entity without the consumer's consent, or that asserts control over a computer without the consumer's knowledge; it has also come to include programs that engage in various kinds of electronic fraud. Anti-spyware is software that removes or blocks that software; some common vendors include Malwarebytes, McAfee, Spybot-Search and Destroy, Ad-Aware and BitDefender.

Anti-Spyware

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.