Category: Microsoft

Microsoft Defender for Office 365-Find the Domain Name of the Trusted ARC Sealers from the Message Header

An email message internet header is a metadata set containing information about the sender, recipient, routing, and delivery of an email. It can help you find the domain name of the trusted ARC sealers. The domain name must match the domain specified in the d value of the ARC-Seal and ARC-Message-Signature headers in affected messages.

Microsoft Defender for Office 365-Configure trusted ARC sealers email authentication for Microsoft 365 Custom domains

Authenticated Received Chain (ARC) is a mechanism used in email authentication protocols to address the issues of message forwarding and intermediary handling of emails. It is designed to improve the reliability and security of email authentication systems like SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail).

Microsoft Defender for Office 365 – Configure DMARC email authentication for Microsoft 365 Custom Domains

Domain-based Message Authentication, Reporting, and Conformance (DMARC) builds upon SPF and DKIM to give domain owners greater control over how recipient servers handle their email messages. With DMARC, domain owners can specify policies instructing recipient servers on how to handle emails that fail SPF or DKIM checks. DMARC also enables domain owners to receive reports on email authentication results, allowing them to monitor and improve their email security posture.

Microsoft Defender for Office 365 – Configure DKIM email authentication for Microsoft 365 Custom domains

DomainKeys Identified Mail (DKIM) allows email senders to sign their outgoing emails digitally using cryptographic signatures. These signatures are stored as DKIM records in the domain’s DNS settings. Recipients’ mail servers can then use these signatures to verify that the email content has not been tampered with and originated from an authorized sender.

Microsoft Defender for Office 365-Configure SPF email authentication for Microsoft 365 domains

Microsoft Defender for Office 365 is a cloud-based email filtering service that helps protect businesses against advanced threats such as phishing and malware in emails, links, and collaboration tools like Microsoft Teams, SharePoint, and OneDrive. Formerly known as Office 365 Advanced Threat Protection (ATP), Microsoft Defender for Office 365 provides several features to enhance the security posture of an organization’s email and collaboration environment.

Fix VBR 12.1.1 Backup Configuration Warning Failed to connect to Red Hat Virtualization plug-in…

This is a very interesting warning. I migrated many VBR servers, and it’s the first time I’ve encountered this warning.
The detailed warning message is below:
Warning Failed to connect to Red Hat Virtualization plug-in: Failed to login to platform service: The remote certificate is invalid according to the validation procedure.

How to Install Backup for Microsoft 365 v7a

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Veeam released the version of Veeam Backup for Microsoft 7a on December 5, 2023. The Cumulative patches contain Veeam Backup and replication v12.1 compatibility and the ability to set email notifications with Google and M365 accounts in Veeam Explorers.

How to Install Veeam Backup and Replication Console 12.1

When you install Veeam Backup & Replication v12.1, the Veeam Backup & Replication console 12.1 is automatically installed on the backup server. If you want to remotely access Veeam Backup & Replication v12.1, install the Veeam Backup & Replication console 12.1 on a dedicated machine.

How to Install Hyper-V integration services in the ubuntu Linux VM

Today, I will show you how to install Hyper-V integration services in the Ubuntu Linux VM of Hyper-V. If the Hyper-V integration services are not installed, you cannot restore any data from Veeam Backup.

FIX Veeam VBM365 backup with “There is an error in XML document” Error

Veeam Backup for Microsoft 365 has an error in one of the mailboxes. The error message is “There is an error in XML document…The specified type was not recognized: name=’SharingMessage’.

Veeam VBR 12.1 CVE-2023-36558 and CVE-2023-36049 Vulnerabilities

Today, I noticed two fresh vulnerabilities on the VBR12.1 Manager and console servers. Certain .net core requirements are installed when the product is installed. Unfortunately, The .net isn’t patched automatically through Windows updates.

Fix Windows Server 2022 (2019) Recovery partition to prevent C drive extend volume issues

When you try to extend the C drive from the Disk Manager tool but the Extend volume greys out, that’s because the recovery partition prevents the C drive from extending the volume.

How to upgrade Veeam Backup for Microsoft 365 to v7a

Veeam released version of Veeam Backup for Microsoft 7a on December 5, 2023. The Cumulative patches contain Veeam Backup and replication v12.1 compatibility and the ability to set email notifications with Google and M365 accounts in Veeam Explorers.

How to configure the Client Access Namespaces for Exchange 2019 Server

Configuring the client access namespaces ensures clients can connect to Exchange Server 2019 using the correct URLs for each service. They help to ensure a smooth user experience and avoid issues such as certificate errors and connection failures.

How to Configure the Autodiscover Services Connection Point (SCP) for Exchange 2019 Server

The Autodiscover service connection point (SCP) provides information to domain-joined Outlook clients on connecting to the Autodiscover service for automatic client configuration.