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  • Active Directory Dirsync Error DeletingCloudOnlyObjectNotAllowed

    The error is caused as a result of converting accounts from AD to Cloud using the restore technique once moved from the OU where you are syncing your users You will find export errors and the “DeletingCloudonlyObjectnotallowed” problem In order to resolve you will have to remove the attribute of immutable ID using the SET…

  • Hiding Leavers from the Address list GAL – Exchange Hybrid ( Mail / Mail nickname )

    I have recently encountered an issue in our tenancy. Whereas, leavers were still showing in the address list after being converted to shared mailboxes. The Case study with Leavers Several companies still save their leavers using A Shared mailbox procedure Converting to shared mailbox does not hide the mailboxes from the Address list unless instructed…

  • 365 Defender – Safe attachments’ policy & Safe Documents

    As you all know, attackers, use widely malicious attachments to perform “Initial access”. Safe attachments is one of our defences in order to prevent that in our Environment Safe Attachments provides an additional layer to the Antimalware Exchange protection. Safe Attachment works with Machine Learning in order to protect your users inbox Policies may take…

  • Advanced Features 365 Defender

    Advanced features in 365 defender could be updated & Added as we go. For this particular reason, is a good exercise to keep up with news & the advanced features on the 365 portal. We’re going to review all possible features you can enable in Defender First step. How to access the Features? https://security.microsoft.com/securitysettings Click…

  • Phish delivered due to an ETR override – Defender & Sentinel

    This alert fires when message containing phish was delivered due to an ETR override. ( mail flow rule ) In order to resolve and troubleshoot . We have to get into the exchange mail flow portal and investigate why could potentially a mail flow rule allow phising emails . In the following scenario we have…