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- #Microsoft windows powershell step by step how to#
- #Microsoft windows powershell step by step install#
- #Microsoft windows powershell step by step code#
#Microsoft windows powershell step by step how to#
The most important thing when disabling SMB v1 from production is auditing, following steps on this article you will have all the devices talking SMBv1 with your SMB Servers, you need to understand why these clients are talking SMBv1 and how to remediate, after treatment of these devices you can safely disable SMBv1 using the steps on the article below.Managing processes in complex Windows environments can be an overwhelming and time-consuming experience. After treatment of all the devices you can disable SMBv1 safely. With Excel you can see the devices and computers using SMBv1. Screenshot of the csv file opened on Excel. You will find the SMBv1.csv on the C: drive $clientName = $.’#text’Īdd-Content -Value “$clientName,$server,$TimeCreated” -Path c:SMBv1.csv $Events = Get-WinEvent -LogName ForwardedEvents
#Microsoft windows powershell step by step code#
Run the PowerShell code below on the event forwarder server (MEM01).Īdd-Content -Value “clientName,server,TimeCreated” -Path c:SMBv1.csv Use the PowerShell script below to export the events on a nice Excel Sheet. Retrieve Events on an Excel sheet and analyzing SMBv1 traffic. You might need to restart the servers before beginning viewing events on the Event forwarding server (MEM01). The GPO is linked to domain controllers OU and BROMServers OU. Type 3000 to forward only Events with Event ID 3000.Ĭreate a GPO and configure the policy setting: Configure target Subscription ManagerĮnter the URI of the event forwarder server. Include the group Domain Controllers and MEM01. Right click on Subscription and select Create Subscription… (MEM01)Ĭlick on Subscription and then Click Yes. Create a subscription on the Windows Event forwarding Server.
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Wevtutil set-log Microsoft-Windows-SMBServer/Audit /ca:O:BAG:SYD:(A 0x5 BA)(A 0x1 S-1-5-32-573)ģ. Open command prompt as administrator and run the following command on audited servers.
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But they don’t have permissions to access SMB Server Log. Give the Event Log Read ers group permissions to access SMB Server audit Logs.īy default, Event Log Readers members have permissions to access Security and System logs…etc. On Member servers use Computer Management console as shown on screenshots below.Ģ. On Domain Controllers use Active Directory Users and Computers. Add the network service account as member of the group Event Log Readers on all audited servers. Below the steps to centralize SMBv1 events on the server MEM01.ġ. Imagine you have a huge environment, let’s say more than 50 domain controllers or maybe more than 100, how you will analyze SMBv1 events on all these servers, here where windows event forwarding will be very useful to centralize logs for better analyzing.
#Microsoft windows powershell step by step install#
Note: The command Set-SmbServerConfiguration -AuditSmb1Access $true will not work on a non-updated Windows Server 2012 R2, please install the latest monthly rollup to be sure everything will work just fine, till writing of these lines the latest monthly rollup is October 2018. I can see the events by navigating Application and Services Logs à Microsoft à Windows à SMB Server à AuditĪs you can see on the screenshot above, the event indicates SMB1 access and give you the client IP address. Set-SmbServerConfiguration -AuditSmb1Access $trueĪfter enabling the audit, an event will be logged each time a client computer access server using SMB v1. To enable SMB v1 auditing on Windows Server 2012 R2 run the PowerShell command: All of them are running Windows Server 2012 R2. In my scenario I have three concerned servers: DC01 and DC02 are domain controllers, MEM01 is a file server. File and print servers also need to be audited. Domain controllers are a good example, client computers and member servers use SMB to access SYSVOL and NETLOGON shares to apply group policy, so domain controllers are servers to audit.