When running your Exchange servers in a co-existence environment with an older version of Exchange you might notice some event 2002 warnings in your application log. Log Name: Application Source: MSExchange Front End HTTP Proxy Date: 1-12-2017 11:25:03 Event ID: 2002 Task Category: Core Level: Warning Keywords: Classic User: N/A Computer: Description: [Eas] The number… Read More »
When synchronizing identity data from your on-prem Active Directory environment to the Azure Active Directory environment using the Azure AD connect tool you might occasionally get an error. One example is the error: FederatedDomainChangeError Details This error typically occurs after you have changed the UserPrincipalName suffix of an user from one federated domain to another… Read More »
Microsoft has made it very easy to use DKIM, basically you only need to create two CNAME DNS records and enable DKIM in Office 365. DKIM DNS records To enable DKIM in Office 365 you first need to create two dns CNAME records. The records should look like this:
Where .domain.com is the domain… Read More »
When you want to enable DKIM in your Office 365 environment for a specific domain you might run into the problem that you can’t because the message is saying: “No DKIM keys saved for this domain” What you would expect to see is this, depending on the current state (enabled or disabled): To resolve this… Read More »
Before you start syncing your On-Premises Active Directory with Azure Active Directory you should check and fix any issue’s there might be with any of the accounts. Microsoft has released a tool for this called: IdFix which you can download directly from Microsoft: IdFix DirSync Error Remediation Tool This tool will scan your On-Prem AD… Read More »
In the eventviewer on an Exchange 2013 you might notice an error being reported every 60 seconds with Event ID 1121, MSExchange Replication Service.
Log Name: Application
Source: MSExchange Mailbox Replication
Date: 26-9-2017 11:43:14
Event ID: 1121
Task Category: Request
The Microsoft Exchange Mailbox Replication service was unable to process a request due to an unexpected error.
Request GUID: '4c037387-462c-446f-855d-1a4a9f4769bc'
Database GUID: 'f76ac2d8-bf20-4646-88a1-5f9161f5f312'
Error: Database 'f5c17f94-0b61-472e-9908-048b145e740c' doesn't exist..
Check if there are any open mailbox move requests, export requests, import requests of migration batches. If there are any open requests remove or complete these if there are no… Read More »