Dec
14
ISSUE When attempting to email any mailbox which is hosted in O365 where a hybrid (co-existence) configuration has been deployed with an on-premise Exchange 2003 organisation you receive NDR email messages and event log errors are raised as follows: EVENT LOG: Event Type: Error Event Source: MSExchangeTransport Event Category: NDR Event ID: 3020 Date: 12/13/2011 Time: 11:12:28 AM User: N/A …
Permanent link to this article: http://www.tsls.co.uk/index.php/2011/12/14/unable-to-mail-route-between-exchange-2003-and-exchange-online-o365-smtp-5-4-6/
Sep
07
If you find you are having issues with email delivery between O365 (Exchange Online) and On-premises it is possible that the domain is set to outboundonly true Hopefully the following will resolve your issue $Cred = Get-Credential When Prompted enter the following: User: <enter> Password: <enter> $Session = New-PSSession –ConfigurationName Microsoft.Exchange –ConnectionUri https://ps.outlook.com/powershell/ -Credential $Cred …
Permanent link to this article: http://www.tsls.co.uk/index.php/2011/09/07/unable-to-relay-email-between-coexsistance-exchange-organisations-o365/
Aug
05
You may notice after you have migrated an Exchange 20032007 On-Premise user to O365 Exchange Online that the Archive Feature is not avalible. to enable the feature please run though the following steps To enable the migrated users to have an Archive Mailbox please run though the following Once the user’s mailbox has been …
Permanent link to this article: http://www.tsls.co.uk/index.php/2011/08/05/archive-option-missing-from-o365-migrated-user/
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