Exchange server Mailboxes size report 2010 2013 2016

Exchange Server Mailboxes size report 2010 2013 2016   Create a C:\Temp1 directory. Obtain Mailbox Database name from the Microsoft Exchange Console that would look like “Mailbox Database XXXXXXXXXXX” Using Exchange PowerShell (Run as Admin) , type the following: Get-MailboxStatistics -Database   “Mailbox Database XXXXXXXXXXX”  | Select DisplayName, ItemCount, TotalItemSize | Sort-Object TotalItemSize -Descending | […]

Exchange 2013 Cumulative Update CU 18 Fails – Certificate

When trying to install Exchange 2013 Cumulative Update 18 or others, update terminates with the following error: ————— The following error was generated when “$error.Clear(); Install-ExchangeCertificate -services IIS -DomainController $RoleDomainController if ($RoleIsDatacenter -ne $true -And $RoleIsPartnerHosted -ne $true) { Install-AuthCertificate -DomainController $RoleDomainController } ” was run: “System.Security.Cryptography.CryptographicException: The certificate is expired. at Microsoft.Exchange.Configuration.Tasks.Task.ThrowError(Exception exception, ErrorCategory errorCategory, […]

How to Allow Windows Remote Desktop remotely through command line

How to modify firewall rules remotely command line Windows 7 How to allow Remote Desktop remotely through command line Download psexec Extract to al temp place. Make sure you are able to access remote computer NetBIOS name i.e \\RemoteComputerName without getting an error message On your local computer, from command line and from the […]

OneDrive issues users 90 day notice

Microsoft has given its users of there cloud storage service OneDrive, their 90-day notice. Microsoft is shrinking its free storage size from 15GB to 5GB in late July. That is a 67% reduction in storage size. The reduction will take effect on July 27,2016. As part of the storage space cuts, Microsoft eliminated two paid plans that had […]

Shortcuts disappearing – Windows 7 desktop – Network drives

If shortcuts including network drives links are disappearing randomly from Windows 7 Desktops, here what you can do to address issue: 1)) Apply the following hotfix from Microsoft   2)) Disable “System Maintenance troubleshooter” Control Panel.  Go to Control panel In control Panel (Change view to  Category).  Under System and Security, click Find and fix problems. […]

Veeam error – Cannot complete the operation because the file or folder [] already exists

You are getting this error in Veeam replication. ———- Processing Server01 Error: Cannot complete the operation because the file or folder [] already exists Details Preparing replica VM Error: Cannot complete the operation because the file or folder [] already exists Error: Cannot complete the operation because the file or folder [] already exists —– Solutions: […]

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 […]

IP NAT and PAT Examples

Network Address Translation: Cisco – IP NAT and PAT Examples: Example 1: Allow all outgoing traffic PAT local network as Allow incoming SMTP traffic (TCP Port 25) to that will be NAT’d as Default Gateway ! Interface Ethernet0 IP address Description Outside-NIC IP nat outside IP virtual-reassembly Interface FastEthernet0 […]

OWA Search won’t work

OWA Search won’t work on Exchange 2010 SP1 and SP2 When you search in Outlook Web Access, the search doesn’t bring up anything. One cause of the issue could be that the index folder on the Exchange server needs to be rebuilt . Under Services make sure that the “Microsoft Exchange Indexer Service” is enabled. […]

Cisco ASA 5505 Configuration Example

Cisco ASA 5505 Firewall Configuration Example : ASA Version 8.0(3) ! hostname ASA5505 domain-name domain.local enable password /z4VVuCaYOFObhYQ encrypted no names name name Server1 ! interface Vlan1 nameif inside security-level 100 ip address ! interface Vlan2 nameif outside security-level 0 ip address ! interface Ethernet0/0 switchport access vlan […]

Windows Updates Error 80071A90

Windows 7 – Windows Updates keeps failing with Error 80071A90: Scenario: When trying to install Windows updates on a Windows 7 PC and after you reboot to apply, Windows reverts back changes and doesn’t apply updates as if nothing has happened! Resolutions: KB2647753 is the fix. Click Here to Download KB2647753 apply it and restart. […]

windows search error

Windows Search and Windows Updates don’t work after replacing laptop drives with a newer bigger cloned Hard Drive or after replacing one of the RAID disks: Scenario: You have a Windows computer and space is running out. You replace it with a newer and bigger cloned/imaged hard drive (cloned with Symantec Ghost for instance). After […]

Room permissions Office 365

Microsoft Hosted Exchange – How to grant a user full permissions on a room mailbox in Office 365: Email address of user to be granted access: Room mailbox email address: You need to do that through Powershell.  Powershell is part of Windows 7.  From your Windows 7 machine, run Powershell as admin (right click […]

Windows takes long time to shutdown

Windows Server 2008 Takes Too Long to Restart or Shutdown. Had two identical Lenovo ThinkServer servers loaded with Windows Server 2008 SP1 (not R2) and when restarting or shutting down, it would take over 30 minutes for them to restart. When you press restart in Windows, Keyboard and Mouse appear unresponsive and the screen halts. […]

Quota warning

  Users don’t receive Mailbox Quota Warnings in Microsoft Exchange 2010 SP1/SP2 – Quota Warnings Aren’t Generated This is a design update that Microsoft made in Exchange 2010 Service Pack 1. Prior to Service Pack 1, quota warning messages were generated automatically whenever the mail users hit the quota warning threshold. After Service Pack 1 […]

Disable Open File warning

How to Disable Open File Security Warning in Windows 7 When Openning Files on the Local or Network Drives:   Click Start –> Search or Run, Type gpedit.msc and hit enter In the left pane, click on to expand User Configuration, Administrative Templates, Windows Components, and Attachment Manager. In the right pane, double click on […]

Remote Web Access is not allowed

Remote Web Access is not allowed for your user account. Contact the person who manages your server. Scenario: We were hired by a customer to help troubleshoot an issue with Remote Web Access (RWA) after they had already migrated to Windows SBS 2011 Essential from Windows Server 2003 SBS. When people go to the RWA […]

Enable ZIP Extension for PHP

How to Enable ZIP Extension for PHP on Linux – Ubuntu – ZIP.SO – PHP.INI – Efront – XAMPP/LAMPP Download XAMMP from: That contains Apache 2.4.3, MySQL 5.5.27, and PHP 5.4.7. Follow instructions on the site (All it takes is just download and unzip into /opt/lampp. It’s pre-compiled). For Apache, you might want to […]

The directory service is missing mandatory configuration

The operation failed because: Active Directory Domain Services could not transfer the remaining data in directory partition DC=ForestDnsZones,DC=domain-name,DC=com to Active Directory Domain Controller \\ “The directory service is missing mandatory configuration information, and is unable to determine the ownership of floating single-master operation roles.” Scenario: When trying to demote one of Windows 2008 Domain Controllers, […]

BurFlags – D4

Reinitializing/Forcing File Replication Service FRS using Registry key BurFlags D4: Have you been in the situation where you’re unable to replicate AD changes made across 2003 Domain Controllers? I have been there several times, and the last time was when I was attempting to transfer the Global Catalog role for an Exchange Server migration, however […]

Recover Deleted Items Outlook 2010

Recover Deleted Items is not available/missing – Outlook 2010 – Exchange and Office 365 Scenario: When you right-click on Deleted Items in Outlook 2010, you don’t see an option to Recover Deleted Items (the way it used to be with Office 2003/2007). Resolutions: To get to “Recover Deleted Items”, please click on the Folder tab […]

Windows Updates Fail – Error 80070216

Windows 7 – Windows Update keeps failing with Error 80070216 Scenario: When trying to install Windows updates on a Windows 7, it keeps failing with the error above. Resolutions: Machine is infected with a rootkit or a virus. Download and run Kaspersky TDSSKiller, then download and run Combofix (you can google them). These two tools […]