My Personal Diary for System Administration and Troubleshooting Windows and Linux
When you try to connect to Citrix using browser you will get above error. This happens when SSL handshake fails. This issue arises when Citrix Workspace versions which are above build 1903. To Fix this uninstall existing Citrix workspace application and install Citrix Receiver 4.9.8000.
Citrix and supported Cipher more info : https://support.citrix.com/article/CTX250104
This error occurred when you open Word. Excel, Power point or Outlook application. To fix this error Open Control Panel and select Office 365 and click on repair option.
When you try to open MS SQL Server Configuration Manager you will get error “SQL Server Cannot Connect to WMI provider Permission or server is unreachable with code [0x80041010]”
To fix this follow below procedure:
Open a Command Prompt as administrator.
Navigate to your SQL version’s share directory:
SQL 2008: C:\Program Files (x86)\Microsoft SQL Server\90\Shared\
SQL 2008 R2: C:\Program Files (x86)\Microsoft SQL Server\100\Shared\
SQL 2012: C:\Program Files (x86)\Microsoft SQL Server\110\Shared\
SQL 2014: C:\Program Files (x86)\Microsoft SQL Server\120\Shared\
After opening share directory path in command prompt: enter below command
mofcomp sqlmgmproviderxpsp2up.mof
Press enter and now your able to open SQL server configuration Manager.
How to find which .NET framework installed using PowerShell
To Check which .NET framework is installed on your Laptop/Desktop/Server use below Powershell command
Get-ChildItem 'HKLM:\SOFTWARE\Microsoft\NET Framework Setup\NDP' -Recurse | Get-ItemProperty -Name version -EA 0 | Where { $_.PSChildName -Match '^(?!S)\p{L}'} | Select PSChildName, version
You will get below output as shown in below screenshot.
Step-1: Open Windows Start Menu OR Run Windows (Win. Key + R).
Step-2: Type Command "Outlook.exe resetnavpane" ……….(Without quotes).
Step-3: Outlook will now reset Navigation preferences and open.
[How To] Disable IPV6 on RHEL/CentOS
To Disable IPV6 on CentOS you need to edit below two files
/etc/modprobe.conf
/etc/sysconfig/network
Follow below steps :
Step-1 Edit file /etc/modprobe.conf and below lines
install ipv6 /bin/true
Save and close the file.
Step-2 Edit file /etc/sysconfig/network and update the below lines
NETWORKING_IPV6=no
IPV6INIT=no
Step-3 Reboot your machine and verify with below command
lsmod | grep ipv6
[How To] Change/Modify Default Remote Desktop Port (3389) in Windows
To change Remote Desktop connection Port in Windows follow below Steps
Step-1 By default windows use 3389 as Remote Desktop connection port, to change it to
other port edit the following registry key
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\
TerminalServer\WinStation\RDP-Tcp
Step-2 Find the PortNumber key and edit it. You will see that the default value is 3389. Click on the Decimal radio button and edit the Port Number, put any number you want to use.
Step-3 After editing, Close the Registry Editor and Restart the Computer.
Step-4 To Access Remote Desktop Use Remote Desktop Connection and put IP Address and port as shown below.
IP Address of your Computer:Changed Port Number
Example: 192.168.1.30:4555
Change user Password in Remote Desktop Connection in Windows Server 2008, 2012
Sometime we need to change User Password on Windows Server 2008, 2008 R2, 2012 in Remote Desktop and
it is not possible to Press ALt + Ctl + Delete on keyboard in RDS.
To change User Password in RDS (Remote Desktop Session) Follow below procedure:
Step-1: Click on Start button and click on Windows Security
Step-2: Put your Old Password and type New Password in box and your are done.
Your Password is changed Log Off and try to Login using new password.
[FIX] Application Blocked. click for details on Chrome browser
While running any JAVA application on chrome browser if you get below error:
” Application Blocked. Click for details
Application security settings have blocked an untrusted application from running”
To resolve above issue follow below steps;
Step-1: Go To Control Panel
Step-2: Double click on JAVA
Step-3: Open Security Tab
Step-4: Select Medium
Step-5: Click on APPLY.
Step-6: Restart your web browser
That’s it!
PhpMyAdmin throws error “DROP DATABASE” statement is disabled”. “DROP” tab is missing in PhpMyadmin Home page. To Enable above tab in PhpMyAdmin follow below procedure.
1. Go to XAMPP directory—–>PhpMyAdmin—–>libraries/ folder.
2. Open/Edit file with name “config.default.php”
3. Find $cfg[‘AllowUserDropDatabase’]
4. You will find it’s value is ‘False’, Make it “True” and you’re done.
5. Refresh PhpMyAdmin Page or Restart MySql server and then open PhpMyAdmin.
System Admin Tech Tips 