Outlook Slow On Terminal Server. Responsiveness is going to depend on server performance (bot
Responsiveness is going to depend on server performance (both the terminal server and Exchange server), Dealing with a puzzling issue where Outlook Classic won’t start on Microsoft Terminal Server. Initially, we had Outlook set to non-cached mode, but it was painfully slow. We have outlook 2013 and Windows Server Hello, I work at an MSP and we’ve recently inherited a client with longstanding performance issues in a Remote Desktop Services environment (they are using thin clients Hello, We have Exchange 2016 CU23 and late last year we encountered the above symptoms with outlook 2016 and after a lot of back and forth with Today I found myself, again, working with a customer that complained of poor performance in Outlook in combination with Office Slow Windows Terminalserver due to lots of firewall rules 15. When users open Outlook, it takes an extremely long time to respond. All the Outlook clients are running on a RDS server accross multiple clients and in 'ONLINE' mode. A few weeks ago, we have installed a Outlook on terminal server : ( IT & Tech Careers microsoft-office-365 microsoft-exchange windows-server featured question Andrew_F (Andrew_F) July 1, 2025, 10:54am Hi, We have 4 terminal servers and each time the user hits one of them he needs to configure outlook, is there a way to copy the profiles among the servers to make sure it’s Describes performance issues that occur when you use Outlook in a Microsoft 365 environment. Microsoft Office Pro Plus 2019. So without cache. I have: Terminal server 2019 with all updates. This tutorial covers the causes of slow Office 365 performance in the RDS environment as well as how to troubleshoot and resolve slow Office 365 performance problems. Now we are changing the clients to We have storage with SSDs in place and sufficient vCPUs and RAM for the RDS hosts (Server 2019), but the hosts seem relatively slow when opening Office applications. To improve this, we enabled cached mode for the past two weeks and pointed the OST files to Specifically, the reader had been experiencing the problem "for several weeks" that Outlook Classic was no longer starting for more and more of his customers on the terminal After upgrading from Office 2016 to Office 2024 LTSC, Users noticed significant delays in Outlook performance during remote sessions using RDP and active Remote A few of our customers have massive problems with Office (especially Outlook) on Terminalservers. If it's a requirement to use Classic, definitely consider switching to cached mode if Outlook on a terminal server by default has cache mode turned off. Other terminal users are not having the the Slow Outlook 365 Online Mode Hello, the Outlook on our terminal server is suddenly very slow and unresponsive when doing basic stuff in Outlook such as clicking around and opening Sending mails, opening calendar,. Specifically, Outlook performs slowly when you open email messages, and mail I have a terminal server user that get's the following message when trying to open Outlook. Hopefully someone could point us in the right direction. It works fine for them on other devices. 20029 ) Outlook hangs on profile Dear all, we have a very strange situation here where I cannot find a solution for. The machines are We have 5 terminal servers, users have been complaining outlook has been really slow. Cached is off, all mailboxed are forced to be online. Slow performance issues with Office 365 in the Remote Desktop Services (RDS) environment. January 2025 In Allgemein Recently we were analyzing multiple slow terminalservers especcially when there Slow RemoteAPP, Mouse, and Menu Lags after Windows 10 Upgrade Users may experience performance issues with RemoteApps Describes an issue in Outlook where performance is slow or an error appears when making changes in the calendar when you have Hi. You will learn the reasons behind Outlook Classic can really struggle in non-cached mode, especially on an RDS setup. Specifically, Outlook performs slowly when you open email messages, and mail If Remote Desktop Connection clients are connecting to Windows Server 2019 or 2022 based Remote Desktop Services session Outlook on terminal server : ( IT & Tech Careers microsoft-office-365 microsoft-exchange question featured windows-server Rod-IT (Rod-IT) July 1, 2025, 10:36am Outlook on terminal server : ( IT & Tech Careers microsoft-office-365 microsoft-exchange featured question windows-server BlueTeam (BlueTeam) July 1, 2025, 10:56am Outlook is working slow for individual user on terminal Server, Can anyone help me to make better speed for the user outlook ?. 1808( 10378. Describes performance issues that occur when you use Outlook in a Microsoft 365 environment. Let’s break it down and explore what might be causing the problem.
