Deleted-object and directory-data recovery
Restoring an Active Directory object is not the same as recovering the person's or service's identity.
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Showing 25 to 48 of 148 articles
Diagnose Backup Job Authentication Failures Before Recreating the Job
An “authentication failed” backup can still browse a server, and a successful credential test can still lead to a failed job.
Diagnose Exchange Autodiscover from DNS and SCP to the HTTPS Response
Autodiscover is not one DNS record. Identify the Autodiscover endpoint an Exchange client actually selects.
Diagnose Exchange Mail Flow with Connectors, Relay, and Message Tracking
“Email is down” is not a diagnosis. Trace one missing or rejected message across Exchange Online.
Diagnose Windows Hello and Local Sign-In Before Resetting Credentials
A Windows PIN is not a short version of your account password. With Windows Hello, the PIN or biometric gesture unlocks a credential bound to that device.
Diagnose Windows Update Across Microsoft Update, Managed Services and WSUS
“Windows Update is broken” can describe very different failures. Identify who actually controls updates for the device.
Directory synchronisation and cloud identity choices
Decide whether identities should remain cloud-only or synchronise from on-premises Active Directory.
Disk imaging, cloning and bare-metal recovery
“Make an image” sounds precise, but several different operations share that label. Choose correctly between file backup.
Domain controller metadata and failed-server cleanup
Metadata cleanup is not deleting an old computer icon. Remove a permanently failed domain controller through the supported metadata-cleanup path.
Domain trust and secure-channel repair
But the same user experience can begin with DNS, time, an unreachable controller or a restored/duplicated computer.
Domain-controller boot and rollback diagnosis
A domain controller is both a Windows server and one replica in a distributed database.
Endpoint security software removal and repair
Repair, replace or remove a broken endpoint-protection product without leaving the device unprotected, running conflicting real-time engines.
Endpoint-management automation and custom attributes
Custom attributes can turn an endpoint platform into a useful operational database—or a pile of stale strings that trigger the wrong machines.
Enterprise browser deployment and offline installer verification
An enterprise browser deployment has two products: the browser installed today and the update/policy process that keeps it trustworthy tomorrow.
Evaluate an RMM Endpoint-Security Add-On Before You Standardise on It
An endpoint-security add-on inside an RMM console can be convenient: one deployment path, one device list and one invoice.
Exchange antispam and block-list operations
An unwanted message does not automatically justify blocking its domain. A wanted message in quarantine does not automatically justify allowing its domain.
Exchange calendars, delegates and out-of-office behaviour
Calendar problems are message-flow problems, mailbox-item problems and permission problems at the same time.
Exchange certificates, namespaces and service URLs
An Exchange certificate problem is often a namespace problem wearing a certificate warning.
Exchange database integrity, ESEUTIL and repair decisions
When an Exchange database will not mount, Eseutil is often the first word in the proposed fix.
Exchange federation and cross-forest coexistence
Exchange coexistence is often described as “set up a trust”. That phrase hides several unrelated mechanisms.
Exchange forwarding, address lists and recipient reporting
An Exchange Online report that lists only ForwardingSmtpAddress is not a forwarding audit.
Exchange Online and Microsoft 365 PowerShell administration
PowerShell is useful in Microsoft 365 when the job is repetitive, evidence matters, or the admin centre hides a setting you need.
Exchange OWA, ECP and IIS diagnosis
Locate an Outlook on the web or Exchange admin centre failure in DNS/load balancing.
Exchange Server decommissioning and orphan cleanup
Choose the supported Exchange Server retirement scenario, remove every mailbox, relay, hybrid and recipient-management dependency.
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