Exchange 2016
Exchange 2016:- Unexpected Auth Blob Check For Clock Skew (Event ID 1035)
As many of you might know, Active Directory and Exchange as time sensitive. This means that if time is behind by 5 min or more or ahead, this messes with Exchange. If you see Event ID 1035 as shown below, the error actually tells you there is a time problem: There are...
Exchange 2016:- Event ID 4018 MSExchange ADAccess
I am one of those Techs that has to fix errors in the event logs as I don't like noise and I'm sure you don't either. I noticed in the event log in my lab that I was getting 3 alerts for Event ID 4018: One for ECP One for OWA One for another process I cannot remember...
Exchange 2016:- Event ID 1 Autodiscover
In Exchange 2016, you might notice that Event ID 1 logs often and the error you get is like the one below: If you run the command below, you will notice that the Internal and External URL's are not populated: Get-AutoDiscoverVirtualDirectory | FL server, *url*...
Exchange/Active Directory – all versions: Why you should have strong passwords.
Weak passwords is a common mistake with many email users or even admins that manage domains. I recently had the opportunity to demo the zerologon exploit and how it breaks your domain controllers in your environment. This means that Exchange will be broken as well. I...
Get excited:- New version of Exchange coming and so much more…
Ignite has started with a bang and with it new information about the next version of Exchange and how coexistence will work. Head over to the tech community below and watch the video on demand. Exciting new changes coming to Microsoft 365 as well and Hybrid and so...
Exchange 2016:- Event ID 2112, 2077, 2069, 2142
As many of you know, Exchange is very sensitive when it comes to domain controllers and Active Directory Sites and Services. The above set of errors/warnings were happening on 1 server and the error does throw you off a bit, where it says that the Audit Security...
Exchange 2016:- DAG Seeding Failure.
As many of you know, DAG seeding can fail for a few reasons, namely: Networking issues Resource issues (CPU/RAM) Disk space issues Anti-virus (exclusions missing) And many more..... Today we had a strange one though, some databases seeded fine but the rest were...
Exchange 2016:- Outlook 2019 Error when deleting email.
Received a weird error this morning when trying to delete email, however it started with outlook with an error "Verifying Integrity of data" and it sat there for about 5 minutes before Outlook 2019 launched. (sorry missed the screenshot) All seemed fine until I tried...
Exchange 2016:- Upgrading to CU17 from the command line
Since CU13 for Exchange 2016 there has been no need to run the PrepareAD command. Running upgrades are pretty simple, provided you have an account that has the correct permissions. This is a common problem where upgrades don't want to run because of permissions. The...
Exchange 2016:- Mailbox move error.
There are a number of errors that can appear when you doing mailbox moves. The normal ones is when they stall because the catalog cannot keep up or you hit a threshold but in this case, moving from one server to another one just fails. To find the error, you need to...