Microsoft Exchange

Calendaring agent failed
Hello, I get a lot of events like it : Event Type: Error Event Source: EXCDO Event Category: General Event ID: 8206 User: N/A Description: Calendaring agent failed with error code 0x80070005 while saving appointment. Thanks a lot ... 3 Jan 2008 11:19

Emails with file attachments unviewable - Exchange 2007/Outlook2000
I recently completed a transition from Exchange 2000 to Exchange 2007. I have moved all mailboxes over to the new server, installed SP1 on the new server, and shutdown all services and components on the old server. Users can send and receive email both internally and externally without a problem. I have installed... 18 Dec 2007 14:43

OWA HTTP to HTTPS Redirect
I am having a problem getting this to work. I had to uninstall and reinstall IIS and Exchange yesterday and have got everything back up and running except requests to http://mail.domain.com do not redirect to https://mail.domain.com/exchange. I have got requests that go to https://mail.domain.com to redirect t... 17 Dec 2007 11:37

Exchange 2000 Offline Address Book is not updated, failed to generate
Yes, we're still on Exchange 2000. Recently, our Outlook 2003 cached users haven't been getting the GAL updates in their offline address book. In Exchange, We are getting an error generating the offline address book (event 9300) and cannot rebuild (does nothing) nor create a new one (does not replicate to pub... 19 Dec 2007 14:47

Suddenly getting 550 4.4.7 QUEUE.Expired
Could really use some help here. Our Exchange 2007 server has been up and running for about 6 months now and we suddenly can't send any email to bellsouth.net addresses. This popped up about 2 weeks ago - up until then we could send to bellsouth.net without a problem. We can send to all other domains fine, a... 13 Dec 2007 06:54

Logon Failure on Database..
Hello, We have Exchange 2007 installed. All the users can logon and access their mails smoothly. But, I see a very large number of the following errors on the server under event ID-1022: Logon Failure on database "First Storage Group\Mailbox Database" - Windows account NT AUTHORITY\NETWORK SERVICE; mail... 9 Dec 2007 21:55

AntigenRealtime.exe process hogging memory usage
Anyone ever see antigenrealtime.exe process hogging memory? We have 6 copies of this running in taskmanager that are taking about 190MB or more each leaving a lot less for store.exe. Please help. Thanks. ... 26 Nov 2007 10:11

Outlook "Recover Deleted Items" issue
We are using Exchange 2003 with Outlook 2003. And users are able to recover individual items with Tools>Recover Deleted Items... But when a folder has been deleted and they attempt to recover it they get the error: "Outlook was unable to recover some or all of the items in this folder. Make sure you have th... 9 Dec 2007 21:52

Problem when digital signing an email with OWA.
When configuring exchange 2003 to use OWA with digital certificates I get the following error when trying to sign a message: "A digital ID that allows you to sign this message is missing. If your digital ID isn't trusted by the Exchange Server, you can't use it to sign messages...." Following some technet and ... 21 Nov 2007 13:10

Reset OWA Autocomplete
Is there a way to globally clear the autocomplete cache for OWA 2007? ... 20 Nov 2007 22:29