Category: Office 365

Improve speed and prevent timeouts downloading PSTs from Office 365
article #1311, updated 758 days ago

If you let the eDiscovery Export Tool time out, it will eventually give you a link:

https://docs.microsoft.com/en-us/office365/securitycompliance/increase-download-speeds-when-exporting-ediscovery-results

which has the registry edit below. No explanation is given, but it does say that adjustment of the number (in some direction?) can help.

Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Exchange\Client\eDiscovery\ExportTool]
"DownloadConcurrency"="2"

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New Exchange Online connectivity for Powershell
article #1357, updated 851 days ago

New methods, reportedly considerably better, have not tested yet myself:

https://docs.microsoft.com/en-us/powershell/exchange/exchange-online/exchange-online-powershell-v2/exchange-online-powershell-v2?view=exchange-ps

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Turn Off Azure AD Sync via Powershell
article #1334, updated 992 days ago

  1. Install the Azure Active Directory Module for Powershell.
  1. Connect to Azure AD, and disable sync:
Set-MsolDirSyncEnabled –EnableDirSync $false
  1. Check status, repeatedly, until it returns False. It can take 72 hours for sync to be fully deactivated.
(Get-MSOLCompanyInformation).DirectorySynchronizationEnabled 

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IPs, URLs, and Ports for Microsoft Cloud Services and Office 365 (Firewall Configuration)
article #800, updated 998 days ago

This includes Exchange Online, Lync, and others:

https://support.office.com/en-us/article/Office-365-URLs-and-IP-address-ranges-8548a211-3fe7-47cb-abb1-355ea5aa88a2?ui=en-US&rs=en-US&ad=US#BKMK_Portal-identity

This has been updated recently, and many changes have occurred. Ports have been reduced considerably, and many more FQDNs added.

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Manually correct Office 365 logins in AD Sync'd domains
article #1332, updated 1003 days ago

It can happen fairly easily, that one or more user’s Office 365 login is wrong, and AD Sync fails to correct it. Here is a manual override, courtesy of the excellent Joe Busby.

  1. On a domain controller, verify the AD username and proxy addresses is set correctly.
  2. Connect to O365 Powershell on any machine with Powershell 5.1, and run this command:
Set-MsolUserPrincipalName -UserPrincipalName "user@old.address" -NewUserPrincipalName "user@new.address"
  1. On the user’s PC:
    1. Navigate to Settings > Accounts > Access work or school
    2. Disconnect from any accounts linked to the new or old username
    3. Hit the [ + ] Connect button and provide the credentials to sign in to Office 365
    4. If their password has been changed since their account was synced up with the wrong username, the password may need to be reset.
    5. Remove any credentials from windows credential manager that match the old username.
    6. Check Outlook, you may have to create a new profile.

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Fix Office, Outlook, 365 issues with Microsoft Support and Recovery Assistant (SaRA)
article #1316, updated 1048 days ago

Excellent tool.

https://support.office.com/en-us/article/microsoft-support-and-recovery-assistant-sara-e90bb691-c2a7-4697-a94f-88836856c72f

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Office 365 and Exchange Online Product and License Lists
article #1195, updated 1139 days ago

There are many different products / licenses for Office 365, in several categories. The first item has links to the rest:

Business, general

Small business

Education

Government

Nonprofits

Home

Firstline Workers

The above suggested by the excellent Tharin Brown.

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When Office 365 will not activate
article #1277, updated 1199 days ago

There is an alternative activation logon screen.

https://answers.microsoft.com/en-us/msoffice/forum/msoffice_account-mso_win10/unable-to-sign-in-to-office-2016-desktop-apps-sign/b32738c8-1b17-43d1-839b-cb97c8ae3c29

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Remove Office activation from Windows, Office license reset
article #1241, updated 1199 days ago

From the indefatigable Mike Crayton:

https://www.thecloudjournal.net/2016/08/reset-microsoft-office-product-activation-status/

https://gallery.technet.microsoft.com/office/How-To-Reset-Office-01cf9c07

This can help a lot when Office will not activate.

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Azure AD Sync: password sync fails but directory sync working
article #1243, updated 1357 days ago

When this happens, do the following in Azure AD Connect:

  1. In “Customize synchronization options”, disable (uncheck) the password hash sync option.
  2. Wait for sync to complete, watching in the Operations tab of the Synchronization Service Manager.
  3. In “Customize synchronization options”, enable (check) the password hash sync option.
  4. Wait for sync to complete, watching in the Operations tab of the Synchronization Service Manager.
  5. Check the Office 365 admin readout.

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