Emails stuck in Queue and not sending out
Issue: Starting 1/1/2022, there is a new bug that affects Exchange servers and the emails were not going out and were stuck in the Queue. This bug is called the…
How to Migrate Exchange Server 2016 to 2019 | Part 3
How to Migrate Exchange Server 2016 to 2019 | Part 3 Migrate Exchange Server 2016 to 2019 | Part 1Migrate Exchange Server 2016 to 2019 | Part 2Migrate Exchange Server…
How to Migrate Exchange Server 2016 to 2019 | Part 2
Migrate Exchange Server 2016 to 2019 | Part 2 Migrate Exchange Server 2016 to 2019 | Part 1Migrate Exchange Server 2016 to 2019 | Part 2Migrate Exchange Server 2016 to…
How to Migrate Exchange Server 2016 to 2019 | Part I
How to Migrate Exchange Server 2016 to 2019 | Part 1 Migrate Exchange Server 2016 to 2019 | Part 1Migrate Exchange Server 2016 to 2019 | Part 2Migrate Exchange Server…
How to Resolve Offline Address Book Download Error
After upgrading from Exchange Server 2013 or 2016 to 2019, the address book download seems to give an error on offline address book download on Outlook desktop client. This issue…
Microsoft.Exchange.Data. Directory.ADOperationException: | Cumulative Update Error Exchange Server
One of my clients wants to upgrade Exchange Server 2013 CU8 to Cu23. When preparing the server for upgrade and started upgrade and at the first step of the upgradation…
” was run: “System.UnauthorizedAccessException” | Exchange Server 2016 Cumulative Update Error
Today I was updating Exchange Server 2016 CU 18 on one of the clients Exchange Server and I came across the below error. The error is the original web.config file…
Exchange Online-ApplicationAccount Already Exists | Exchange Server Upgrade Error
Preface: When you upgrade Exchange Server 2013 or 2016 Cumulative Update, you sometimes see an error the Exchange-Online Application Account already exists on the first step of the upgrade. This…
How to resolve Exchange Server 2013/2016 Content-Index state Disabled
Issue: We will find a resolution for the Exchange server 2013 or Exchange server 2016 error on the database index. Yesterday, one of the users in my client's place called…
Exchange 2010 to 2016 Public Folder Migration error
When you migrate Exchange Server 2010 Public folders to Exchange Server 2016, you may come across the following error on the public folder mailbox sync. This error can be found…