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	<h1 class="topictitle1">Set an alternative source for updates</h1>

	<div><div class="section" id="task_1981DC53CE5C4215BE9FA6A2FA1D1252__context_9C0C9A1010754C3283BD603DF856608A"><a name="task_1981DC53CE5C4215BE9FA6A2FA1D1252__context_9C0C9A1010754C3283BD603DF856608A"><!-- --></a><p>To specify where <span class="keyword">Sophos Anti-Virus</span> downloads updates from if it cannot contact its usual source:</p>
</div>

	<a name="task_1981DC53CE5C4215BE9FA6A2FA1D1252__steps_83B04797E28647B4BB2A6FB96734C453"><!-- --></a><ol id="task_1981DC53CE5C4215BE9FA6A2FA1D1252__steps_83B04797E28647B4BB2A6FB96734C453">
		<li class="stepexpand" id="task_1981DC53CE5C4215BE9FA6A2FA1D1252__step_996CDE2A5BC34548A152F635B683EA2E"><a name="task_1981DC53CE5C4215BE9FA6A2FA1D1252__step_996CDE2A5BC34548A152F635B683EA2E"><!-- --></a><span>Choose <span class="menucascade">
      <span class="uicontrol">Sophos Anti-Virus</span>
       &gt; <span class="uicontrol">Preferences</span>
     </span>.</span></li>
<li class="stepexpand" id="task_1981DC53CE5C4215BE9FA6A2FA1D1252__step_81F97BE6DE164D23B37F77718EDBD896"><a name="task_1981DC53CE5C4215BE9FA6A2FA1D1252__step_81F97BE6DE164D23B37F77718EDBD896"><!-- --></a><span>Click <span class="uicontrol">AutoUpdate</span>.</span></li>
<li class="stepexpand" id="task_1981DC53CE5C4215BE9FA6A2FA1D1252__step_AC7C2890FCE043C6AEEFC742B7FCBDAE"><a name="task_1981DC53CE5C4215BE9FA6A2FA1D1252__step_AC7C2890FCE043C6AEEFC742B7FCBDAE"><!-- --></a><span>If some settings are dimmed, click the lock icon and type an administrator name and password.</span></li>
<li class="stepexpand" id="task_1981DC53CE5C4215BE9FA6A2FA1D1252__step_5938BDC701E2425695FF9817CDAEBF55"><a name="task_1981DC53CE5C4215BE9FA6A2FA1D1252__step_5938BDC701E2425695FF9817CDAEBF55"><!-- --></a><span>Select “<span class="uicontrol">Use a secondary location</span>”. Then, change the preferences as follows:</span><a name="task_1981DC53CE5C4215BE9FA6A2FA1D1252__choices_B3A846A8884240E6BE72FDB5811FC800"><!-- --></a><ul id="task_1981DC53CE5C4215BE9FA6A2FA1D1252__choices_B3A846A8884240E6BE72FDB5811FC800"><li id="task_1981DC53CE5C4215BE9FA6A2FA1D1252__choice_5E7254DB3F8E4D7D8D259611C4A3A4C5"><a name="task_1981DC53CE5C4215BE9FA6A2FA1D1252__choice_5E7254DB3F8E4D7D8D259611C4A3A4C5"><!-- --></a>To enable <span class="keyword" id="task_1981DC53CE5C4215BE9FA6A2FA1D1252__keyword_cf_121604858275821"><a name="task_1981DC53CE5C4215BE9FA6A2FA1D1252__keyword_cf_121604858275821"><!-- --></a>Sophos Anti-Virus</span> to update directly from Sophos, choose <span class="uicontrol">Sophos</span> from the “<span class="uicontrol">Update from Secondary Location</span>” pop-up menu. In the <span class="uicontrol">User Name</span> and <span class="uicontrol">Password</span> fields, type the updating credentials that were given to you by Sophos.</li>
<li id="task_1981DC53CE5C4215BE9FA6A2FA1D1252__choice_11CC260176D34C4AAF48A2E9973C664B"><a name="task_1981DC53CE5C4215BE9FA6A2FA1D1252__choice_11CC260176D34C4AAF48A2E9973C664B"><!-- --></a>To enable <span class="keyword" id="task_1981DC53CE5C4215BE9FA6A2FA1D1252__keyword_cf_121604858275822"><a name="task_1981DC53CE5C4215BE9FA6A2FA1D1252__keyword_cf_121604858275822"><!-- --></a>Sophos Anti-Virus</span> to update 
from your company web server, choose “<span class="uicontrol">Company Web Server</span>” from the “<span class="uicontrol">Update from Secondary Location</span>” pop-up menu. 
In the <span class="uicontrol">Address</span> field, type the web address of the location from which updates will be downloaded. In the <span class="uicontrol">User Name</span> and <span class="uicontrol">Password</span> fields, type the updating credentials that are needed to access the server.</li>
<li id="task_1981DC53CE5C4215BE9FA6A2FA1D1252__choice_4DA5992602C5486F91C838B7BE23EB8A"><a name="task_1981DC53CE5C4215BE9FA6A2FA1D1252__choice_4DA5992602C5486F91C838B7BE23EB8A"><!-- --></a>To enable <span class="keyword" id="task_1981DC53CE5C4215BE9FA6A2FA1D1252__keyword_cf_121604858277423"><a name="task_1981DC53CE5C4215BE9FA6A2FA1D1252__keyword_cf_121604858277423"><!-- --></a>Sophos Anti-Virus</span> to update 
from 
a network volume, choose “<span class="uicontrol">Network Volume</span>” from the “<span class="uicontrol">Update from Secondary Location</span>” pop-up menu.
In the <span class="uicontrol">Address</span> field, type 
the network address of the location from which updates will be downloaded.
In the <span class="uicontrol">User Name</span> and <span class="uicontrol">Password</span> fields, type the updating credentials that are needed to access the volume.</li>
</ul>
 <p>The following are examples of the address. Replace the text
      inside the brackets with the appropriate names:</p>
<p><kbd class="userinput">http://&lt;server&gt;/&lt;web
       share&gt;/Sophos Anti-Virus/ESCOSX</kbd></p>
<p><kbd class="userinput">smb://&lt;server&gt;/&lt;Samba
       share&gt;/Sophos Anti-Virus/ESCOSX</kbd></p>
<p><kbd class="userinput">afp://&lt;server&gt;/&lt;AppleShare
       share&gt;/Sophos Anti-Virus/ESCOSX</kbd></p>
 You can use an IP address or NetBIOS name instead of a domain or host
     name to refer to the server. Using an IP address can be better if you have any DNS
     problems.</li>

	</ol>

	<div class="section" id="task_1981DC53CE5C4215BE9FA6A2FA1D1252__postreq_6DD7053760BF4F5A9E1954B2821B13D3"><a name="task_1981DC53CE5C4215BE9FA6A2FA1D1252__postreq_6DD7053760BF4F5A9E1954B2821B13D3"><!-- --></a>If <span class="keyword" id="task_1981DC53CE5C4215BE9FA6A2FA1D1252__d52e146"><a name="task_1981DC53CE5C4215BE9FA6A2FA1D1252__d52e146"><!-- --></a>Sophos
    Anti-Virus</span> must access the update source through the proxy that has been set up in
   System Preferences, see <a href="Enable_updating_via_system_proxy.html#task_03829376D99A4B76A41006B46F76257B" title="">Enable updating through the system proxy</a>.
   If <span class="keyword">Sophos Anti-Virus</span> must access the update source through another proxy, see
    <a href="Enable_updating_via_custom_proxy.html#task_03829376D99A4B76A41006B46F76257B" title="">Enable updating through a custom proxy</a>.</div>
</div>

<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="../concepts/Configuring_updating.html" title="">Configuring updating</a></div>
</div>
</div>

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