Azure Connect: https://www.alitajran.com/wp-content/uploads/setups/AzureADConnect-1.6.16.0.msi
How to disable sync: https://www.youtube.com/watch?v=zdOliNam4VU https://techpress.net/converting-synced-user-to-in-cloud-only-user-account-on-office365/

[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12

Connect-MsolService

https://learn.microsoft.com/zh-cn/microsoft-365/enterprise/prepare-a-non-routable-domain-for-directory-synchronization?redirectSourcePath=%252fen-us%252farticle%252fHow-to-prepare-a-non-routable-domain-such-as-local-domain-for-directory-synchronization-e7968303-c234-46c4-b8b0-b5c93c6d57a7&view=o365-worldwide 准备不可路由域以进行目录同步

https://www.codetwo.com/admins-blog/how-to-merge-an-office-365-account-with-an-on-premises-ad-account-after-hybrid-configuration/#two-mailboxes 如何在混合配置后将 Office 365 帐户与本地 AD 帐户合并？

https://learn.microsoft.com/en-us/answers/questions/716754/azure-ad-connect-error-unique-value

powershell 4.0 升级 5.1

https://qiaolb.github.io/azure-nuget-https.html

强制关联：Set-MsolUser -UserPrincipalName xxxx@xxxx.com -ImmutableId xxxxxx

混合部署要求 https://learn.microsoft.com/zh-cn/exchange/hybrid-deployment-prerequisites

Calendar不显示 https://appuals.com/fix-calendar-missing-in-microsoft-teams-on-windows-10/

测试 https://testconnectivity.microsoft.com/tests/teams

完整Hybrid Configuration Wizard

打不开outlook可能是权限分重复了

转发不了邮件是要开启enable-organizationcustomization

收不到邮件可能是exchange server的routing选择不对

单独关闭一个用户的On-premises

1. 本地AD移出Filter sync的范围，User在Azure Online中会被sync软删除
2. 在Azure中还原User
3. Set-MsolUser -UserPrincipalName username@xxx.com -ImmutableID “$null”

全部关闭azure同步：

Set-MsolDirSyncEnabled -EnableDirSync $false

https://learn.microsoft.com/en-us/microsoft-365/enterprise/turn-off-directory-synchronization?view=o365-worldwide