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August 2015

Cannot migrate user from Exchange 2010 to Exchange Online

So I came across this error while migrating some accounts from On-Premise Exchange 2010 Server to Exchange Online. Error: The subscription for the migration user user@domain.com couldn’t be loaded. The following error was encountered: A subscription wasn’t found for this user. In short, there is an address conflict between the user properties of the exchange […]

Creating an Inbound Connector for Office 365 to Symantec Cloud IP ranges CIDR

To allow connections only from Symantec Cloud IPs within Office 365 – Exchange Online you will need to create an Inbound Connector that is restricted to Symantec.Cloud IPs (http://images.messagelabs.com/EmailResources/ImplementationGuides/Subnet_IP.pdf ) Note: Office 365 only allows CIDR from 24 to 32 to be entered within the sender IP scope in Send Connectors.  Table 1.1 below are […]

Mohammed Wasay

Dallas based Design Technologist & Hybrid Developer