MapiExceptionTooComplex

As I am working toward decommissioning Exchange 2010, someone who has a mailbox in Exchange Online (EXO) was having an issue with staying connected to an on premises shared mailbox using Outlook. I proposed moving it to EXO to address the issue. While onboarding the mailbox to EXO, the move gave me an error that…

AD Attributes Changed When an On-Premises User Mailbox is Moved to EXO

The following is a list of attributes I tracked that change for an AD user when their associated mailbox is moved (via hybrid) to Exchange Online… homeMDB legacyExchangeDN mDBUseDefaults mS-DS-ConsistencyGuid msDS-ExternalDirectoryObjectId msExchCalendarLoggingQuota msExchELCMailboxFlags msExchHomeServerName msExchMailboxSecurityDescriptor msExchRBACPolicyLink msExchRecipientDisplayType msExchRecipientTypeDetails msExchRemoteRecipientType msExchUserCulture proxyAddresses targetAddress uSNChanged Reference(s)… https://blogs.technet.microsoft.com/dkegg/2014/08/27/ad-attributes-that-are-changed-when-a-mailbox-moves-to-office-365/ https://docs.microsoft.com/en-us/azure/active-directory/connect/active-directory-aadconnectsync-attributes-synchronized Report Comment

References: Office 365 Backup Options

Below are some vendors that provide Exchange Online backups along with some additional references to guide you to the right decision for your needs… https://www.skykick.com/backup http://spanning.com/products/office365-backup/ http://www.cloudally.com/office-365-backup/ http://www.codetwo.com/backup-for-office-365/ https://www.barracuda.com/application/office365   And the additional references… http://searchdatabackup.techtarget.com/tip/Microsoft-Office-365-backup-considerations-for-Exchange-Server http://windowsitpro.com/blog/do-exchange-online-backups-make-sense http://www.codetwo.com/blog/mailbox-backup-options-across-available-office-365-plans/ If there is a backup option that you use with Office 365, let me know your experience.

Add Mailbox Users to Distribution Lists with PowerShell

To add an individual mailbox user to a distribution group in PowerShell that has an owner already assigned, the command will look similar to this… Add-DistributionGroupMember -Identity “DISTRIBUTION_GROUP_NAME” -Member “USER_ALIAS” -BypassSecurityGroupManagerCheck   To add multiple mailbox users to multiple distribution groups, we need to make a CSV file (C:\DistroMembers.csv for this example). The CSV file should…