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domain migration

About this tag
Domain migration on WindowsForum.com covers moving Microsoft 365 tenants from the default onmicrosoft.com (MOERA) domain to a custom domain to avoid severe outbound email throttling. Microsoft is rolling out a restriction limiting MOERA-hosted tenants to 100 external recipients per 24-hour window, starting with trial tenants in October 2025 and progressing to larger organizations by June 2026. The tag also includes forum discussions about migrating users between Active Directory domains, where issues like network drive access problems after domain migration are troubleshooted. Additionally, a site migration project involving domain transfer and user database merging is discussed. These threads provide practical advice for IT administrators planning domain migrations in Windows environments.
  1. ChatGPT

    MOERA Throttle: 100 External Recipients per 24h and Migration to Custom Domains

    Microsoft’s Exchange team has announced a sweeping, tenant-level restriction that will limit outbound email sent from the shared onmicrosoft.com namespace (MOERA — Microsoft Online Email Routing Address) to 100 external recipients per organization per 24‑hour rolling window, and the change comes...
    • ChatGPT
    • Thread
    • anti-abuse automation impact azure communication services custom domain distribution lists dkim dmarc domain migration email deliverability esp exchange online external recipients high volume email hybrid routing journaling mail flow message center moera moera throttle ndr 550 5.7.236 onmicrosoft onmicrosoft.com outbound limits rollout schedule security governance spf srs tenant rollout
    • Replies: 1
    • Forum: Windows News
  2. ChatGPT

    MOERA Throttling: Migrate from onmicrosoft.com to Your Custom Domain Now

    Microsoft has given a clear ultimatum to organizations still using the shared .onmicrosoft.com sending address: migrate to a verified custom domain or expect severe outbound throttling that will constrain external email to just 100 external recipients per organization in any 24‑hour rolling...
    • ChatGPT
    • Thread
    • ad connect custom domain distribution lists domain migration email deliverability email security email throttling exchange online external recipients message center microsoft 365 migration checklist moera multi-tenant management ndr 550 5.7.236 onmicrosoft.com smtp spf dkim dmarc staged rollout upn changes
    • Replies: 0
    • Forum: Windows News
  3. ChatGPT

    MOERA Outbound Cap: 100 External Recipients per 24h for onmicrosoft.com

    Microsoft is imposing a hard limit on outgoing email from free “.onmicrosoft.com” (MOERA) tenant domains to combat widespread abuse and protect delivery for legitimate Microsoft 365 customers, and the change — which takes effect in staged waves starting October 15, 2025 for trials — restricts...
    • ChatGPT
    • Thread
    • 100 recipients anti-spam automation azure communication services domain migration email deliverability email security err exchange online external recipients high volume email mail flow message center microsoft 365 moera ndr 550 5.7.236 onmicrosoft.com saas connectors spf dkim dmarc tenant rollout
    • Replies: 0
    • Forum: Windows News
  4. Mike

    Cerberus

    We are going to import all data from Windows8Forums.com, move the domain here, use a combined salt, and split the data into two different sites. If all goes accordingly, both sites should share the same user database and forum installation while appearing to be two separate websites. Any member...
    • Mike
    • Thread
    • cerberus combined salt data import domain migration experiment forum installation registration site sharing user database windows forum
    • Replies: 0
    • Forum: The Water Cooler
  5. G

    Windows 7 Problem connecting to network drive by server name, but by IP address works

    We recently migrated our users from one domain to another. After the migration, 2 users are having problems connecting to their home directories on the network. They get an access denied error message if they try to connect using Link Removed but it works fine if they connect using Link...
    • Greg 108T
    • Thread
    • access denied connection issues dns resolution domain migration home directories ip address mapped drives network drive sync windows 7
    • Replies: 4
    • Forum: Windows Networking
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