Calendar Sync Issue

[In_The_Ville]

Fresh install of Zimbra Desktop 7.2.5. Keep getting the below error. Any ideas?


Product name: Zimbra Desktop

Product version: 7.2.5

Build ID: 12038

Release type: GA

OS Platform: Mac OS X i386 10.9.4

Time of event: 2014-07-20 17:55:10

Error type: service.PROXY_ERROR

Item ID: 588406

Error summary: calendar sync failed
Failure details - PLEASE REMOVE ANY SENSITIVE INFORMATION

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com.zimbra.common.service.ServiceException: error while proxying request to target server: HTTP/1.0 503 Service Unavailable

ExceptionId:sync-mbox-rbestany@allegiansystems.com

Code:service.PROXY_ERROR Arg:(url, STR, http://mail.allegiansystems.com/service ... entRequest")

at com.zimbra.common.service.ServiceException.PROXY_ERROR(ServiceException.java:322)

at com.zimbra.common.soap.SoapHttpTransport.invoke(SoapHttpTransport.java:247)

at com.zimbra.common.soap.SoapHttpTransport.invoke(SoapHttpTransport.java:164)

at com.zimbra.common.soap.SoapTransport.invoke(SoapTransport.java:407)

at com.zimbra.common.soap.SoapTransport.invokeWithoutSession(SoapTransport.java:393)

at com.zimbra.cs.mailbox.ZcsMailbox.sendRequest(ZcsMailbox.java:678)

at com.zimbra.cs.mailbox.ZcsMailbox.sendRequest(ZcsMailbox.java:640)

at com.zimbra.cs.mailbox.ZcsMailbox.sendRequest(ZcsMailbox.java:635)

at com.zimbra.cs.mailbox.ZcsMailbox.sendRequest(ZcsMailbox.java:628)

at com.zimbra.cs.mailbox.ZcsMailbox.sendRequest(ZcsMailbox.java:624)

at com.zimbra.cs.mailbox.ZcsMailbox.sendRequest(ZcsMailbox.java:620)

at com.zimbra.cs.mailbox.ZcsMailbox.sendRequest(ZcsMailbox.java:616)

at com.zimbra.cs.mailbox.InitialSync.syncCalendarItem(InitialSync.java:658)

at com.zimbra.cs.mailbox.DeltaSync.syncItems(DeltaSync.java:231)

at com.zimbra.cs.mailbox.DeltaSync.deltaSync(DeltaSync.java:187)

at com.zimbra.cs.mailbox.DeltaSync.sync(DeltaSync.java:124)

at com.zimbra.cs.mailbox.DeltaSync.sync(DeltaSync.java:89)

at com.zimbra.cs.mailbox.MailboxSync.sync(MailboxSync.java:194)

at com.zimbra.cs.mailbox.ZcsMailbox.sync(ZcsMailbox.java:124)

at com.zimbra.cs.mailbox.ZcsMailbox.syncOnTimer(ZcsMailbox.java:105)

at com.zimbra.cs.mailbox.SyncMailbox$1.run(SyncMailbox.java:279)

at java.util.TimerThread.mainLoop(Timer.java:512)

at java.util.TimerThread.run(Timer.java:462)