ZCB and calendar sync failures

[sgruby]

We're having problems with calendaring syncing with ZCB Beta 4. I've created a test event in the web interface and even iCal with the same result. This is happening to all our BB users that we have setup (about 5 so far), so no one is able to sync calendars. Address Book and mail are syncing just fine.
Any ideas?
Local Failures were detected. No action is required.

This e-mail was generated for technical support purposes.
Sync Type: Delta Sync
Sync Token: 10154
Store: Zimbra - Scott Gruby
Computer Name: BES
Version: 5.0.2683.13
Error IDs:

id (4954) type(appointment) message([Subject: test]

[Details: COM Exception HRESULT: -2147467260. ])


BlackBerry Professional Software Express 4.1

ZCB Beta 4

Zimbra NE 5.0.15

Outlook 2007 Trial

[15539sam]

either the Olk07 trial is causing problems (expired?) or the ZDB is corrupt.
If its the zdb:

1. Stop the bes controller

2. rename the ".zdb" to ".pst"

3. Run scanpst.exe on it

4. rename it back to ".zdb"

5. start the controller