We have upgraded a number of customers to the latest connector version included with .11 and .13 however many are complaining about getting 'Server Failure Notice'

Server Failures were detected. No action is required.
This e-mail was generated for technical support purposes.
Please see the attached files for more details about the problems encountered.

Computer Name: USER-PC

Version: 5.0.2817.11

Parent Folder EID: 00000000d05b94944a446a47a47818ad910b6f0a22800000

Parent Folder Name: user root

Parent Folder ID: 1

Target Object EID:

Store: Zimbra - User Name

Some are extensive and others are short like this one:

- <SyncError>
- <Request>
- <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope">
- <soap:Header>
- <context xmlns="urn:zimbra">
<userAgent name="ZimbraConnectorForOutlook" version="5.0.2817.11" />
<nonotify />
<noqualify />
<account by="id">c43f3c04-2d30-4e4d-b2b0-1200fde9c233</account>
<authToken>0_8a8e5396945ee25b105246da1c29ac2c753be 08_69643d33363a63333366336330342d326433302d3465346 42d623262302d3132303066646539633233333b6578703d313 33a313233343336353739353030343b747970653d363a7a696 d6272613b</authToken>
<nosession />
- <soap:Body>
- <FolderActionRequest xmlns="urn:zimbraMail">
<action id="11" op="delete" />
- <Response>
- <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope">
- <soap:Header>
- <context xmlns="urn:zimbra">
<change token="10468" />
- <soap:Body>
- <soap:Fault>
- <soap:Code>
- <soap:Reason>
<soap:Text>cannot modify immutable object: 5</soap:Text>
- <soapetail>
- <Error xmlns="urn:zimbra">
<a t="IID" n="itemId">5</a>