Trying out Data Domain Virtual Edition
by lunarg on April 3rd 2018, at 13:38

DellEMC offers a free-to-try virtual appliance of DataDomain, allowing you to do a Try & Buy. You can download the appliance here:

https://www.emc.com/products-solutions/trial-software-download/data-domain-virtual-edition.htm

 
Setting network to Private in Server 2012 R2
by lunarg on March 22nd 2018, at 16:34
On a fresh install of Windows Server 2012R2, not joined to a domain, the first network connection (obtained through DHCP) is always treated as a Public network. Normally, when joining a domain, the network connection then becomes a Domain network, but if the server will not be joined to a domain, you probably will want to set it to Private. Unfortunately, the Public Network link in Network Center is not clickable, and thus, cannot be changed. But you can make the change anyway through the Local Security Policy.

Through Powershell (preferred method):

Look up the name of the network interface (e.g. "Local Area Connection") in the network adapters list.

Open an elevated Powershell   ...
 
Killing sessions to a compromised Office 365 account
by lunarg on March 12th 2018, at 12:01

A very useful blog article about killing active sessions to a compromised Office 365 account:

https://blogs.technet.microsoft.com/cloudyhappypeople/2017/10/05/killing-sessions-to-a-compromised-office-365-account/

 
Powershell: colorize output in Format-Table
by lunarg on March 12th 2018, at 08:27

Starting from Windows 10 Creators Fall Update, you can use VT escape sequences to colorize the output to console. You can use this to colorize columns in Format-Table, too.

A sample snippet, colorizing the output based on the contents of the "Status" field:

$somelist | FT FirstName,LastName,@{l="Status";e={
    switch ($_.Status) {
        "OK" {$color = 92; break}
        "NOT OK" {$color = 91; break}
        default {$color = 93}
    }
    "$e[${color}m$($_.Status)${e}[0m"
}}

A complete list of color codes can be found here: https://docs.microsoft.com/en-us/windows/console/console-virtual-terminal-sequences

 
Exchange 2010: WS-Management says load quota exceeded when opening EMC/EMS
by lunarg on February 23rd 2018, at 11:19
When opening the EMC or EMS on an Exchange 2010 server, you may encounter this error:

Error
The attempt to connect to http://server.domain.local/Powershell user 'Kerberos' authentication failed: Connecting to remote server failed with the following error message: The WS-Management service cannot process the request. The system load quota of 1000 requests per 2 seconds has been exceeded. Send future requests at a slower rate or raise the quota for this user. The next request from this user will not be approved for at least X milliseconds.

To workaround the issue, perform a restart of IIS: open an elevated command prompt and run:

iisreset /restart

After the restart, you will be able to log  ...
 
SQL Server: ESENT error 1032 in Application event log
by lunarg on February 12th 2018, at 13:36
When starting up SQL Server or Analysis Services on Server 2012, you may encounter errors in the Application event log, even though SQL Server itself seems to operate normally:

ESENT error 1032
sqlservr (3472) An attempt to open the file "C:Windowssystem32LogFilesSumApi.log" for read only access failed with system error 5 (0x00000005): "Access is denied. ". The open file operation will fail with error -1032 (0xfffffbf8).

These errors are logged due to insufficient permissions for the service startup accounts for SQL Server and Analysis Services when the services access the following folder for logging as a part of the Software Usage Metrics feature: C:\Windows\System32\  ...
 
Unlock full CLI on a HP 1920 switch
by lunarg on February 9th 2018, at 10:03

HP 1920 switches (and others of the same kind) have a CLI mode which is highly restricted. It is possible to unlock this, providing full access to the configuration of the switch through CLI.

Log on to the CLI (SSH or Telnet) with the admin user and the password (default: none).

Type and press Enter:

_cmdline-mode on
All commands can be displayed and executed. Continue? [Y/N]

Press Y to confirm.

Please input password:

Enter the password. This is a firmware-set password and is not user-defined. Depending on the firmware, try one of these:

  • 512900
  • Jinhua1920unauthorized

If successful, you can now run all commands.

 
Updating the vCenter Server Appliance via ISO and CLI
by lunarg on January 30th 2018, at 10:40

You can easily update your vCenter Server Appliance (VCSA) offline by downloading a product patch ISO and via the CLI.

Download the latest patch from VMware Patch Download Center. Select VC from the Search by Product drop-down menu, then select the correct version (i.e. 6.0 or 6.5). Download the patch ISO and attach it to the VCSA.

Log in to the shell (using SSH or VMRC) and initiate the update:

  1. Stage the ISO updates:
    software-packages stage --iso
  2. Optionally, you can view the list of packages to be updated:
    software-packages list --staged
  3. To install the updates, run:
    software-packages install --staged

After the update has finished, you will have to reboot the VCSA.

 
 
 
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