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  1. Xavier Mustin

    PfSense VLAN with Hyper-V

    Published by aschimpie on 03/03/2017 So, in a lab environment I was trying to run a VLAN via PfSense. Since I have only 1 WAN connection available and wanted a separated LAN with internet connectivity. This caused some connection issues as the Hyper-V does not support VLAN Trunk without setting...
  2. Xavier Mustin

    Certify The Web – OVH DNS API

    Certify The Web – OVH DNS API PAR YANN · 27 DÉCEMBRE 2018 Setup your DNS API credentials for OVH J’ai utilisé le tuto ci-dessous pour configurer mon agent CertifyTheWeb afin d’obtenir un certificat wildcard pour mon domaine en utilisant la vérification DNS et les API d’OVH, ça a marché au top...
  3. Xavier Mustin

    Renewing an Exchange SSL certificate through an internal Certificate Authority

    Even when using Exchange SSL certificates that are signed by an internal CA, you will still occasionally have to renew them. Using EAC (https://your-exchange-server/ecp), this should be pretty straightforward, or is it? After logging on to EAC, and navigating to "Servers" → "Certificates"...
  4. Xavier Mustin

    Configurer le NTP dans les Switches Aruba

    configure terminal timesync ntp ntp unicast ntp server iburst ntp enable time daylight-time-rule middle-europe-and-portugal time timezone 60
  5. Xavier Mustin

    Authoritative SYSVOL restore (FRS)

    Rate this (22 Votes) In my previous article “Non-authoritative SYSVOL restore (FRS)” I showed you, how to do a non-authoritative restore of SYSVOL. What if you have bigger mess on your Domain Controllers with SYSVOL? What if the most of DCs do not replicate SYSVOL or its changes? What can you...
  6. Xavier Mustin

    Force Removal of Exchange Server – Remove Exchange 2010/2013 Manually

    If you want to be the best at something you gotta start somewhere, get stuck somewhere & find your way out. Today I am going to show you how to remove Exchange Server from a network when you are unable to uninstall it / You have created a new server & want to get rid of the old server but it...
  7. Xavier Mustin

    SYSVOL and Group Policy out of Sync on Server 2012 R2 DCs using DFSR

    Recently while making changes to group policy, I noticed a slew of issues between clients not accepting the policy. This eventually led me to the discovery that two of the DCs in this particular environment were not replicating properly and were resulting in inconsistent SYSVOL shares...
  8. Xavier Mustin


    Ran into this issue a couple times now while migrating Small Business Server (SBS) clients from on-premis Exchange to Office365. After setting up the DirSync tool on the server, to add an email alias to a user’s Office 365 account it needs to be setup in the Active Directory Attribute Editor tab...
  9. Xavier Mustin

    Retrieve Wireless PAssword

    Open command prompt, and run it as an administrator. Then, type the following command: netsh wlan show profile This command will list every Wi-Fi profile that you’ve ever connected to. To reveal the password of a specific network, type the following command, substituting “NETWORK NAME” with...
  10. Xavier Mustin

    Installing Office 365 for Windows Server Remote Desktop Services (RDS)

    You need to use Office 2013 Pro Plus on a server running Remote Desktop Services; you already have license for Office 2013 Pro Plus through your Office 365 account. (Usually E3.) Solution: Unfortunately, you can’t just install Office normally: Create a folder C:\ODT Download the Office...
  11. Xavier Mustin

    How to export Office 365 mailboxes to PST using eDiscovery

    In this article, I am going to show you how to export Office 365 mailboxes to PST files using a workaround which utilizes Office 365’s native in-place eDiscovery mechanism. The reason why you may need to use it, is that Microsoft doesn’t provide any tools dedicated specifically for this purpose...
  12. Xavier Mustin

    Turn on & enable PIN sign-in for Domain users

    Turn on & enable PIN sign-in for Domain users This method only In Windows 8 or later; Pro & Enterprise Editions. 1. Press Windows Key + R combination, type put gpedit.msc in Run dialog box and hit Enter to open the Local Group Policy Editor. Advt ^ 2. In the left pane of Local Group Policy...
  13. Xavier Mustin

    the BIOS has corrupted hw-PMU resources (MSR 38d is 330)

    Answer/Solution FIX:Gen9 servers enter advanced options differently that what is described for Gen8 servers and it works to disable the settings, also the error message is no longer seen in this case when RBSU setting is already Static High, the steps are simply: F9-System...
  14. Xavier Mustin


    I finally found a working configuration : - set DH params key size to 4096 - set compatibility mode to "intermediate" (was "modern").
  15. Xavier Mustin

    Re-connecting a new Active Directory to an existing Office365 environment

    When there are duplicates: Remove user from DirSync (move to OU which is not synced, will only work when OU Filtering is used. If not, disable DirSync…). Perform DirSync. Remove duplicate synced user (NOT cloud user): Remove-MSOLuser -UserPrincipalName <UPN> -RemoveFromRecycleBin Add...
  16. Xavier Mustin

    Re-connecting a new Active Directory to an existing Office365 environment

    #CommonName $cn = “Bob Builder” #Get the AD User ObjectGUID $guid = (get-aduser -f {cn -eq $cn} -pr objectguid).objectguid #Get the AD User UPN (matching the Azure AD User Object UPN) $upn = (get-aduser -f {cn -eq $cn}).userprincipalname #Convert the ObjectGUID into a ImmuteableID...
  17. Xavier Mustin

    Re-connecting a new Active Directory to an existing Office365 environment

    You are attempting to run Directory Sync after previously setting up Office 365 and creating cloud based accounts. None of the accounts created in the O365 admin portal are syncing with your Active Directory accounts. Solution If you have not already done so, setup Directory Sync: Setup AD...
  18. Xavier Mustin


    Procurve#show time Mon Jan 1 00:04:21 1990 Procurve#configure Procurve#sntp unicast Procurve#sntp server <ip server NTP> Procurve#timesync sntp Procurve#show time Mon Jan 16 10:35:27 2012
  19. Xavier Mustin

    Cutover Migration vers Office365

    Open an elevated Exchange Management Shell and retrieve the current autodiscover virtual directory: Get-AutodiscoverVirtualDirectory | fl Name, Server, InternalUrl, Identity Copy the Identity value to the clipboard. In the Exchange Management Shell, remove the autodiscover virtual...
  20. Xavier Mustin

    How to install an HP branded Windows OS as a virtual server

    VMware: After creating the virtual machine, go to Edit Settings / Options / General and select “Configuration Parameters” Add a row, paste “smbios.reflecthost” as the name, and true as the value Be aware that the virtual machine must be shut down to make this change. ** There is a similar...