The following are the outgoing IP addresses and networks of Microsft Office 365 SMTP/Email in case you need to know to white-list in your antispam or firewalls: 52.100.0.0/14 40.92.0.0/15 40.107.0.0/16 104.47.0.0/17 2a01:111:f403::/48 2a01:111:f400::/48
Mapping SharePoint Site/Folder to a network drive is only available with Windows Explorer. This won’t work with Edge or any other browser. If your SharePoint URL https://www.MyCompanySite.SharePoint.Com And the name of the site MySite (could be blank as it’s the root of SharePoint), and the folder on the root to map called Compliance. 1- Go […]
Office 365 Mailbox Migration Status Stuck Syncing We had a mailbox that wouldn’t complete migrating from a hybrid setup with on-premise Microsoft Exchange 2013 Server to Office 365. We’ve cancelled the migration several time and restarted it but it always got hung up at the end without completing, with status Syncing or InProgress… left it […]
After migrating mailboxes from on-premise Exchange 2013 to Office 365, some Microsoft Outlook 2016/2019/Office 365 clients kept on getting a message on the bottom right-hand corner of Outlook saying “Need Password” without being prompted to enter it, they would click on the message and it would disappear, and Outlook would resume receiving emails but after […]
If you have attempted to add a network printer by double clicking on the sharename name \\server\PrinterShareName, and you’re getting 0x00000bcb error, it’s because of new Windows Security Updates. Add the following DWORD on the PC having the issue (not server). HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PointAndPrint RestrictDriverInstallationToAdministrators Value of DWORD 0 You can delete it after adding […]
Microsoft has released an emergency out-of-band update to address a Windows Server bug leading to Remote Desktop connection and performance issues. Download Updates from the following Knowledge Base Articles Windows Server 2019: KB5010196 Windows Server 2012 R2: KB5010215
In Office 365 two factor authentication (2FA), App Password is used for older versions of Microsoft Outlook or for non Microsoft email clients on devices like MACs or smart phones. After enforcing 2FA in Office 365 and if you are trying to configure Outlook 2016 for email, and Outlook keeps rejecting the password that you […]
If you have Azure AD Connector with Azure Office 365 and want to force Sync AD with Azure when you have just created a new user, start PowerShell on the server that has Azure AD Connect installed and type: import-Module ADSync Get-ADSyncScheduler Start-ADSyncSyncCycle -PolicyType Delta
1- In Windows run PowerShell as an admin 2- Install PowerShell v2 if not installed: Install-Module -Name ExchangeOnlineManagement 3- Import Exchange Online Management module: Import-Module ExchangeOnlineManagement For Windows 11 you might have to allow running scripts because running scripts is disabled by default, run this command to allow running scripts. Set-ExecutionPolicy RemoteSigned 4- Connect to […]
Open Exchange PowerShell on the Exchange server Run the following command (replace *.domainname below with the domain name) New-ExchangeCertificate -KeySize 2048 -PrivateKeyExportable $true -SubjectName “CN= Microsoft Exchange Server Auth Certificate” -DomainName “*.domainname” -FriendlyName “Microsoft Exchange Server Auth Certificate” -Services SMTP Answer No to over-write Write down the certificate thumpprint Type: $date = Get-Date Type: […]