Entries by Mike Khzouz

Database is mandatory on UserMailbox. Property Name: Database

When you try to install the mailbox role of Exchange 2010 while upgrading from Exchange 2003, you get “Database is mandatory on UserMailbox. Property Name: Database…” and installation fails. Also when you open up Exchange Management Console or Exchange Powershell: VERBOSE: Connecting to myserver.domain.internal [myserver.domain.internal] Processing data from remote server failed with the following error […]

How to backup VMs

  If you are looking to backup virtual machines of Hyper-v or VMWare and looking for a free software to do it, you might want to consider Veeam (www.Veeam,com).  One of the features that wont be available since you will be using the free edition is being able to schedule backup Jobs from within Veeam. […]

How to build HTTP and HTTPS polices to use Webblocker and deny access based on Source IP Network/address or IP range

This is a quick published article that doesn’t include much detail but will give you very helpful hints. WatchGuard uses Proxy settings to achieve such resolution. WatchGuard can act as a proxy to intercept HTTP/HTTPS requests in order to allow or deny access to sites based on source or destination networks or ports according to […]

HP EliteBook Screen issue

HP EliteBook 8440P Screen Flickers – Ambient Light Sensor:   Had this laptop with Windows 7 and sent twice to HP to fix and replace the display and every time it came back I had the same issue with the screen flickering. The following seems to have fixed it. 1- Download and apply the latest […]

Backup Exec VSS Error

Windows Server 2008 R2 – Backup Exec 2010 / 12.5 – AOFO: Initialization failure on: “\\SERVER01\Microsoft Information Store\Information Store”. Advanced Open File Option used: Microsoft Volume Shadow Copy Service (VSS). V-79-10000-11226 – VSS Snapshot error. The Microsoft Volume Shadow Copy Service (VSS) snapshot provider selected returned: “Unexpected provider error”. Ensure that all provider services are […]

Windows 8 to 7 Downgrade

Downgrading Windows 8 to Windows 7 Freezes and hangs – How to install Windows 7: Scenario: I had a brand new HP ProBook 4440s Laptop that came preloaded with Windows 8. Customer wanted to downgrade it to Windows 7 x64 but during the very initial steps of the Windows 7 installation, the Windows installation screen […]

Cisco RV082 Config Example

Example: Cisco RV082 One To One NAT – Access Rules Example Example: Public IP Address: Private IP Address: In this example we will NAT to and open up TCP Port 23 (Telnet) to the inside host from outside. – Login to the Cisco RV 082 through the browser – On the […]

Exchange 2010 Testing the OPTIONS command

Exchange 2010 Testing the OPTIONS command failed – Activesync: Last week we deployed a new Microsoft Exchange 2010 Server on a Windows 2008 R2 Domain Controller (We know! it’s not recommended but due to the client’s budget constraints we had to do it and it worked just fine). We purchased and installed an SSL certificate […]

Symantec Backup Exec backup to USB Disk

Symantec Backup Exec backup to USB Disk – 546 The log file sector size does not match the sector size of the current volume – Microsoft Exchange Information Store (IS) using Granular Restore Technology (GRT). Scenario: You are backing up Exchange 2007 Information Store running on Windows Server 2008 R2 with Symantec Backup Exec 12.5 […]

Reset Juniper Firewall Admin Password

How to Reset Juniper Firewall Admin Password – Reset to Factory Default – Forgotten password: Scenario: You have a Juniper SSG-140 firewall appliance that you’ve forgotten the admin password. You don’t have any other user to login with. You have a backup of the SSG-140 configuration. Resolution: The following instructions will reset the SSG-140 to […]