# General

> Markdown source of <https://docs.calebsargeant.com/computing/microsoft/general/>.

## Find What is Using File

<https://superuser.com/questions/117902/find-out-which-process-is-locking-a-file-or-folder-in-windows/643312#643312>

## Mapping Drive CLI

``` powershell
# Create Mapped drive
net use z: \\server\share /user:administrator mysecurepassword /persistent:Yes

# Delete mapped drive           
net use * /delete
```

## Changing Network Type

<http://woshub.com/how-to-change-a-network-type-from-public-to-private-in-windows/>

``` powershell
Get-NetConnectionProfile
Set-NetConnectionProfile -InterfaceIndex 8 -NetworkCategory Private
Get-NetConnectionProfile -InterfaceIndex 8
```

## 7-zip CLI

<https://www.dotnetperls.com/7-zip-examples>

``` powershell
# a means archive, mx9 means best compression
7zip.exe a -t7z -mx9 z:\dest-compressed-file.7z z:\source-folder
```

## DC Authenticated With

Check which DC authenticated with: `echo %logonserver%`

## Check the Size of a Folder from CLI

<https://superuser.com/questions/837016/how-can-i-check-the-size-of-a-folder-from-the-windows-command-line>

``` powershell
dir /a/s
```

## Download Firefox from CLI

``` powershell
# In PowerShell:
wget -O FirefoxSetup.exe "https://download.mozilla.org/?product=firefox-latest&os=win64&lang=en-US"
```

## Operations Masters

### Forest

Domain Naming Schema

### Domain

Relative Identifier (RID) Infrastructure PDC Emulater

## PowerShell

Set-ExecutionPolicy Unrestricted Will allow unsigned powershell scripts to run. Set-ExecutionPolicy Restricted Will not allow unsigned powershell scripts to run. Set-ExecutionPolicy RemoteSigned Will allow only remotely signed powershell scripts to run.

## Rename Domain Controller

``` batch
netdom computername <CurrentComputerName> /add:<NewComputerName>
netdom computername <CurrentComputerName> /makeprimary:<NewComputerName>
REBOOT
netdom computername <NewComputerName> /remove:<OldComputerName>
```

## LACP

### Windows' Side

*Server Manager* \> click on Link next to NIC teaming option or run `lbfoadmin.exe`

![lacp windows server](_images/lacp-windows-server-1.png)

Select the adapters, add to team

![lacp windows server](_images/lacp-windows-server-2.png)

For teaming mode choose LACP, load balancing method use address hash

![lacp windows server](_images/lacp-windows-server-3.png)

### Cisco's Side

``` text
int r g0/1 - 2
channel-group 1 mode active
channel-protocol lacp
int port-chan1
switchport mode trunk
switchport trunk native vlan <server_VLAN>
switchport trunk allowed vlan <all_vlans_to_allow>
```

## Standard Installation

Ensure that the following has been configured on your physical server:

1.  [RAID](#raid)
2.  [Partitioning](#partitioning)
3.  [Shadow Copies](#shadow-copies)
4.  [Backups](#backups)
5.  [Updates](#updates)

### RAID

Hardware Raid - BIOS Software Raid - diskmgmt.msc

### Partitioning

`diskmgmt.msc` \> right click on C: \> Shrink Volume...

### Shadow Copies

`sysdm.cpl` \> System Protection \> click on drive

### Backups

`ntbackup` after setting up Windows Backup

!!! note


    Note that iSCSI network cannot restore (backups). Use an external drive for fast, scheduled backups.


### Updates

`wuapp.exe` \> install updates

## Disable Windows Server Updates

<https://www.netzen.co.uk/2019/07/17/disable-windows-server-updates-active-hours/>

1.  Open Windows Powershell by right click \> run as administrator
2.  Type: SCONFIG and hit enter
3.  Press 5 (Windows Update Settings)
4.  Press D (Download Only mode)
5.  Close Powershell

## Fixing Windows Corruption

<https://answers.microsoft.com/en-us/windows/forum/all/exception-processing-message-0xc0000005-parameters/71c3eb40-7aab-4340-b2b0-9ef73961665d>

- DISM.exe /Online /Cleanup-image /Scanhealth
- DISM.exe /Online /Cleanup-image /Restorehealth
- DISM.exe /online /cleanup-image /startcomponentcleanup
- sfc /scannow
- chkdsk /f /r