Forcing updates on OAB - EX2016
Hi, I did the following on our Exchange 2016 to force a change to some recipients to flow to Outlook. get-globaladdresslist | update-globaladdresslist get-offlineaddressbook | update-offlineaddressbook Then used Outlook to download the offline…
[Migrated from MSDN Exchange Dev] Cannot upgrade Exchange server from CU12 to CU15
[Note] This thread was originally posted on MSDN. As the MSDN Exchange Dev forum mainly focuses on developing issues and the TechNet Exchange forums for general questions have been locked down, we manually migrated this one to Microsoft Q&A platform…
DBEB working randomly
DBEB in Exchange Online Protection should reject inbound emails to addresses not found in the internal directory. If I send an email to a made-up address (john.doe@mycompany.org) from an external mailbox, I do get a NDR saying 5.4.1 access denied. So far…
Exchange 2019 on premise - OAuth to Office 365 tenant
We are in middle of upgrading our exchange 2013 environment to 2019. Once this is completed the intent is to perform the OAuth cmdlet to our office 365 tenant to allow for more of the Teams integrations to work.(ie teams calendar, teams live meeting,…
Install CU update for exchange server 2016
Dear All, Currently my company using exchange server 2016 CU9 Version 15.1 (Build 1466.3). Does we can update to exchange server 2016 CU19 version 15.1.2176.2? it's recommend and best practices to update from exchange server 2016 CU9 to CU19? …
Install Exchange 2016 CU on Windows Server 2019
Hello, I am stuck updating my Exchange Server CU 13 to the latest CU because the setup tells me that the Windows version is not compatible. I found myself in this situation upgrading Windows from 2016 to 2019. Is there any solution different by…
Getting error to install Exchange 2016 CU18
Error: The following error was generated when "$error.Clear(); if ([Environment]::OSVersion.Version.Major -ge 6) { $WsbBinPath = '\"' + (join-path "$RoleInstallPath" "bin\wsbexchange.exe") + '\"'; $reg=…
Exchange admin center, rules - signatures don't display all fields
Office 365 - Exchange admin center - Mail flow - Rules. I create a rule (signature) with parameters like: %%UserLogonName%%, %%DisplayName%%, %%FirstName%%, %%Initials%%, %%LastName%%, %%Email%%. In signature will display only: %%DisplayName%% and…
Run PrepareSchema and AD once only?
It has been a long time since I last performed the Exchange installation and CU updates. So just to reconfirm something that I wasn't sure about as I can't find back my memory about this. As what I remembered, the prepare schema and AD should only run…
Install KB5000871 Update on Exchange 2016
I have 3 Exchange servers 2016 CU17 in the environment. I am about to update one of the server to CU 19 and then install the KB5000871. My question is, before installing the CU 19, normally I will do a Windows Update to make my server up-to-date. So…
Mailbox Role Failed on Exchange 2010 Rollup 30
Can someone help... I cannot apply the rollup 30 on my Exchange 2010 server. At Mailbox Role, it says failed.... Is there a permission error? I can't see why my permissions wouldn't be sufficient.... or which account has a permission issue... This is the…
Install exchange 2016 CU19 failed
I got below message when installing exchange 2016 CU19 from CU15 Couldn't remove product with code cd981244-e9b8-405a-9026-6aeb9dcef1f1. The installation source for this product is not available. how can it be fixed? Thanks.
Cannot move mailbox to a new Database - Exchange 2016 on Prem
Not sure how to fix this, had no problem moving a mailbox to a new database before, but trying to move a mailbox to a new database and it is stuck at syncing and when I check the status, I see the following error - StalledDueToTarget_MdbReplication. I…
Microsoft Exchange self signed cert missing
I noticed in the event viewer that there was an error related to a certificate. Microsoft Exchange could not find a certificate that contains the domain name SERVERNAME.domainname.com in the personal store on the local computer. Therefore, it is…
Iphones cannot connect via ActiveSync since 2016 CU19 and KB500087
Hi, have upgraded a client 2016 server to CU19 and installed patch for KB500087 and since then all iphones can no longer connect via activesync using the native mail client. Outlook client connects, I can setup an android device as well but any new or…
HAFNIUM question
Hi, as per the advice give in the article: https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/ I have run the powershell command to identify any logfile entries on each of my exchange servers. A couple of hits…
Post CU23 update excahnge issues
Server2012R2 Std Exchange 2013 CU23 Patch applied IN/out is working on mailboxes to outlook 2012/2019. I tried OWA web access and got the login in then "bad request" I went to exchanger sever and tried to launch "Exchange…
Restore all mailboxes from RecoveryDB
Hello. I have example: New-MailboxRestoreRequest -SourceDatabase RECDB -SourceStoreMailbox "Bill" -TargetMailbox Bill.@Anonymous .com How can I restore all mailboxes? I don't know Powershell well. Can I have an example?
Exchange 2013 CU23 update Failing on /PrepareAD
I am trying to apply the CU23 update for Exchange 2013 and I am getting the following error. I have looked everywhere for a fix and I cannot find anything. 03/06/2021 17:22:38.0495] [2] [ERROR] Active Directory operation failed on DC1.removed.local.…
Outlook disconnected when Exchange in Maintenance Mode
Having some strange issues when we put our Exchange Servers in maintenance mode when doing a CU update. We have 4 Servers and 2 DAGS, when we put the primary server into maintenance mode, we get disconnected in Outlook. Everything else works fine,…