14Feb 2013 by Ceyhun Kirmizitas 0 Comments
Restore an Exchange Server Mailbox to a Different Mailbox Using a Recovery Database

Restore an Exchange Server Mailbox to a Different Mailbox Using a Recovery Database

Exchange, Exchange Server SE / 2019 / 2016, High Availability
Applies to: Exchange Server SE / 2019 / 2016 / 2013 / 2010 Exchange Server supports Recovery Databases (RDBs) for restoring mailbox data from a recovered database without interrupting access to the active mailbox database. This applies to Exchange Server Subscription Edition, Exchange Server 2019, and Exchange Server 2016. One useful scenario is restoring the contents of an old mailbox into a different existing mailbox. The recovered database is mounted as an RDB, the source mailbox is identified by its mailbox GUID, and New-MailboxRestoreRequest copies the data into the target mailbox. In This Article 1. What Is a Recovery Database? 2. Prepare the Restored Database 3. Create the Recovery Database 4. Mount and Check the Recovery Database 5. Restore the Mailbox to a Different Mailbox 6. Monitor the Restore and…
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05Feb 2013 by Ceyhun Kirmizitas 0 Comments

How to Restore Mailbox Data from an Exchange Recovery Database

Exchange, Exchange Server SE / 2019 / 2016, High Availability
Applies to: Exchange Server SE / 2019 / 2016 / 2013 / 2010 Exchange Server uses a Recovery Database (RDB) to mount a restored mailbox database and recover mailbox data without disrupting the production database. After the restored database is mounted as an RDB, New-MailboxRestoreRequest can merge mailbox data into an existing mailbox. The original version of this article demonstrated the process on Exchange Server 2010 with Windows Server Backup. The same Recovery Database concept continues in current Exchange Server releases, although the backup and recovery workflow has evolved. In This Article 1. How Recovery Databases Work 2. Restore the Exchange Database 3. Prepare the Restored Database 4. Create and Mount the Recovery Database 5. Restore Mailbox Data 6. Key Takeaways 1. How Recovery Databases Work Exchange 2003 and Exchange…
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17Jan 2013 by Ceyhun Kirmizitas 0 Comments
Troubleshoot Exchange Replica Inconsistent Error 30146 in DPM

Troubleshoot Exchange Replica Inconsistent Error 30146 in DPM

Exchange, Exchange Server SE / 2019 / 2016, System Center
Applies to: System Center Data Protection Manager 2025 / 2022 / 2019 | Exchange Server 2019 / 2016 / 2013 Data Protection Manager (DPM) can report an Exchange mailbox database replica as inconsistent when a consistency check fails. One common cause is a version mismatch between eseutil.exe and ese.dll on the Exchange server and the DPM server, especially after an Exchange update. Error ID 30146 is a general data consistency verification failure, so it should not automatically be treated as an Eseutil mismatch. Check the accompanying error details and event logs before applying the fix. In This Article 1. Symptom 2. Why the Eseutil Version Matters 3. Compare the File Versions 4. Update the Files on the DPM Server 5. Run the Consistency Check Again 6. Other Causes of Error…
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18Dec 2012 by Ceyhun Kirmizitas 0 Comments
Moved Mailboxes Appear as Soft-Deleted After a Database Move in Exchange Server

Moved Mailboxes Appear as Soft-Deleted After a Database Move in Exchange Server

Exchange, Exchange Server SE / 2019 / 2016, Migration & Upgrade
Applies to: Exchange Server SE / 2019 / 2016 After moving a mailbox to another mailbox database, you may still see the old mailbox on the source database with a SoftDeleted disconnect reason. This is expected behavior in Exchange Server, including Exchange Server Subscription Edition, Exchange Server 2019, and Exchange Server 2016. The mailbox on the source database is not another active copy of the user mailbox. Exchange keeps the source mailbox temporarily so that its data can still be used for recovery if something goes wrong after the move. In This Article 1. Why This Happens 2. Check Soft-Deleted Mailboxes 3. Check Mailbox Retention 4. Should You Delete It? 5. Permanently Purge a Soft-Deleted Mailbox 6. Key Takeaways 1. Why This Happens When a mailbox move between Exchange mailbox…
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05Dec 2012 by Ceyhun Kirmizitas 0 Comments

How to Force DFSR SYSVOL Replication in Windows Server

Active Directory, Identity, Windows Server
Applies to: Windows Server 2025 / 2022 / 2019 / 2016 / 2012 R2 / 2012 / 2008 R2 / 2008 Sometimes SYSVOL changes need to replicate immediately between domain controllers instead of waiting for the normal DFS Replication schedule. The original version of this post used dfsrdiag SyncNow to trigger replication for the Domain System Volume replication group. The original method is worth preserving as an operational troubleshooting step, but it is important to separate a normal replication delay from a broken SYSVOL replication state. If SYSVOL or NETLOGON is missing, or DFSR is stopped by an error such as Event ID 2213 or 4012, forcing a connection is not the same as repairing SYSVOL. In This Article 1. Check SYSVOL Before Forcing Replication 2. Trigger DFSR SYSVOL Replication…
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17Nov 2011 by Ceyhun Kirmizitas 0 Comments
How to Reset Password in Ubuntu

How to Reset Password in Ubuntu

Linux
Applies to: Ubuntu 26.04 LTS / 24.04 LTS / 22.04 LTS / 20.04 LTS / 18.04 LTS / 16.04 LTS If you forget the password for a local Ubuntu account, you can reset it from recovery mode as long as you have access to the machine and the disk can be unlocked. The original version of this article used an old GRUB method that edited the kernel line and added rw init=/bin/bash. That approach can still work in some cases, but Ubuntu now provides a cleaner recovery-mode path that is easier to follow and less error-prone. In This Article 1. Before You Start 2. Boot Ubuntu into Recovery Mode 3. Remount the Root Filesystem 4. Reset the User Password 5. Reboot and Test 6. Full Disk Encryption 7. Key Takeaways…
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22Sep 2011 by Ceyhun Kirmizitas 0 Comments

How to Install Intel 82576 / 82580 NIC Drivers on VMware ESX / ESXi 4.x

Archive / Legacy Topics, VMware, vSphere
Applies to: VMware ESX / ESXi 4.x | IBM System x3850 X5 | Intel 82576 / 82580 Gigabit Ethernet Controllers Historical: This article covers a legacy ESX/ESXi 4.x driver installation scenario for Intel 82576 and 82580 Gigabit Ethernet controllers, including the IBM I340-T4 adapter used in IBM System x servers such as the x3850 X5. In this configuration, the network adapter could be supported by VMware but the required igb driver was not included in the ESX/ESXi installation media. The driver therefore had to be installed separately from an offline bundle. In This Article 1. Driver Package 2. Prepare the ESX Host 3. Install the Driver 4. Reboot and Verify 5. Important Version Note 6. Key Takeaways 1. Driver Package The original installation used the Intel igb 2.1.10.2 offline bundle:…
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08Sep 2011 by Ceyhun Kirmizitas 0 Comments
How vSphere HA Fault Domain Manager (FDM) Works

How vSphere HA Fault Domain Manager (FDM) Works

VMware, vSphere
Applies to: VMware vSphere 9.x / 8.x / 7.x / 6.7 / 6.5 / 6.0 / 5.5 / 5.1 / 5.0 vSphere High Availability (HA) uses the Fault Domain Manager (FDM) agent on ESXi hosts to monitor host and virtual machine availability and coordinate recovery when a failure occurs. FDM was introduced with vSphere 5 and replaced the older AAM-based HA architecture. The basic design is still used in current vSphere releases: one host takes the Primary role and the remaining hosts run as Secondary nodes. Network heartbeats and datastore heartbeats help vSphere HA determine whether a host has failed, is isolated, or is part of a network partition. In This Article 1. What Is FDM? 2. Primary and Secondary Hosts 3. Network Heartbeats 4. Datastore Heartbeats 5. What Happens…
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29Aug 2011 by Ceyhun Kirmizitas 0 Comments

How to Configure the VMware ESXi Firewall

VMware, vSphere
Applies to: VMware ESXi 9.x / 8.x / 7.x / 6.7 / 6.5 / 6.0 / 5.5 / 5.1 / 5.0 VMware introduced a built-in host firewall with ESXi 5.0. The same service-based firewall model continues in current ESXi releases: firewall rules are grouped into rulesets for services such as SSH, DNS, NTP, syslog, and management traffic. The original version of this article focused on what was new in vSphere 5. This updated version keeps that history but focuses on how the ESXi firewall is managed today. In This Article 1. How the ESXi Firewall Works 2. View Firewall Rules in the vSphere Client 3. View Firewall Rules with ESXCLI 4. Enable or Disable a Ruleset 5. Restrict a Ruleset by IP Address 6. System-Owned Rulesets 7. Key Takeaways 1.…
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