How to change LAN Manager Authentication Level in Windows 11/10

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LAN Manager Authentication Level lets you set the hallmark protocol for network logons. It is possible to change the LAN Manager authentication level using the Local Group Policy Editor and the Registry Editor. If you lot are using Windows xi/ten Home version, you tin can use the REGEDIT method. Otherwise, either method does the aforementioned job.

When you lot connect your figurer to a network printer or any other computer in the aforementioned network, information technology requires an authentication protocol for the network logons. It is there to establish a link between your host computer and the network calculator or whatever other device. There are half-dozen different hallmark levels you can choose, and they are:

Transport LM & NTLM responses
Send LM & NTLM – use NTLMv2 session security if negotiated
Ship NTLM responses just
Send NTLMv2 responses simply
Send NTLMv2 responses only. Refuse LM
Send NTLMv2 responses only. Turn down LM & NTLM

Now, let's say you want to connect to a network printer, but you are catastrophe upwards getting an error message proverb Windows cannot connect to the printer. At such a moment, changing the LAN Director authentication level may solve the issue.

Alter LAN Director Authentication Level

Information technology is possible to change the LAN Manager authentication level using the Local Group Policy Editor and the Registry Editor. If you lot are using Windows 11/x Home version, you lot can use the REGEDIT method. Otherwise, either method does the same job.

Using Local Group Policy Editor

Search forgpedit.msc in the Taskbar search box, and click on the result to open the Local Group Policy Editor on your calculator. Adjacent, follow this path-

Computer Configuration > Windows Settings > Security Settings > Local Policies > Security Options

Double-click on theNetwork security: LAN Manager authentication level policy on your right-hand side and choose the Send LM & NTLM – apply NTLMv2 session security if negotiated or any other required pick from the drib-down listing.

Click on theOKpush to save the modify.

Then, restart your reckoner and check if yous can utilize your network printer or not.

Using Registry Editor

Search forregistry editorin the Taskbar search box, click on the search result, and select theYespick to open the Registry Editor on your computer.

Then, follow this path-

HKEY_LOCAL_MACHINE\Organisation\CurrentControlSet\Control\Lsa

Here yous accept to create a REG_DWORD value. To practise so, right-click on theLsakey, selectNew > DWORD (32-bit) Value, and name itLmCompatibilityLevel.

Now, enter the Value data as mentioned below.

Send LM & NTLM responses: 0
Transport LM & NTLM – utilise NTLMv2 session security if negotiated: 1
Ship NTLM responses only: ii
Transport NTLMv2 responses just: 3
Send NTLMv2 responses only. Refuse LM: 4
Transport NTLMv2 responses only. Refuse LM & NTLM: 5

For that, double-click on the REG_DWORD value, enter 1 or whatever other Value information in the box, and click theOKbutton.

Next, restart your figurer to go the modify.

That's it! This is how you can change LAN Manager authentication level in Windows 11/10.

Sudip loves to appoint with the latest technology & gadgets. Autonomously from writing well-nigh all things technology, he is a Photoshop junkie and a football game enthusiast.