In fact I’m writing this today because earlier this week I had a customer who’s Information Store Service, as well as the Exchange Transport Services, on Exchange 2013 would not start. On the Mac there is a mail program also working with Exchange from office or outside.It seems like this sentiment has been preached widely but yet I still see customers do this. In the office, Outlook for Mac is working. OUtside the office Outlook for Mac cannot connect to the exchange server. Start Outlook 2011 for Mac, click. To set up a new Exchange Account in Outlook 2011 for Mac, follow these steps: 1.Exchange Server.Let’s start off with this, The Exchange Server Product Team performs Zero testing or validation on systems with IPv6 Disabled. This was discontinued in favor of Microsoft Outlook. Select Connect to Microsoft Exchange using HTTP under Outlook Anywhere option.Until version 5.0 it came bundled with an email client called Microsoft Exchange Client. Now Click the More Settings button and click the Connection tab. Enter Exchange Server name and the user name in the Microsoft Exchange Settings window. Manual methods cannot fix Mac Outlook not syncing with Exchange server problem.Choose 'Microsoft Exchange' as E-mail Service, and click on the next button.An easy way to test that your OS is still trying to use IPv6 is to ping localhost after you have unchecked IPv6 on your NIC & rebooted. The problem with this is while the OS still thinks it can & should be using IPv6, the NIC is unable to do so which leads to communications issues. Properly Disabling IPv6 in the registry (Ok but not recommended by MS)Let’s first talk about un-checking IPv6 on your NIC adapters. Unchecking IPv6 on the NIC adapter ( BAD) Microsoft Exchange Active Directory Topology Service may not start if the Exchange 2013 server is also a Domain Controller and IPv6 has been unchecked. Having Ipv6 unchecked when performing an Exchange 2013 install will result in a failed/incomplete installation which will result in having to perform a messy cleanup operation before you can continue. Here’s what I’ve seen so far: Since RTM, I’ve seen half a dozen Exchange 2013 issues that were resolved by re-checking IPv6 on the NIC adapter & rebooting. As a side note, check out the Exchange community a colleague & I moderate on reddit here.While doing this has always caused sporadic issues with Exchange, Exchange 2013 seems to be even more sensitive in this regard. I actually did a write-up about this topic on the Sysadmin community on Reddit awhile back which you can find here.
Outlook Cannot Connect To Exchange Server 2010 Sp2 Mac There IsI’m actually interested in hearing them but I also know some customers are very adamant about it. However, some customers may actually have reasons for disabling Ipv6. NEW – See MVP Michael Van Horenbeeck’s post on how this can break the Hybrid Configuration WizardI started this post saying that MS does no testing or validation for systems with IPv6 disabled in ANY WAY. Microsoft Exchange Information Store Service may not start if IPv6 has been unchecked on an Exchange 2013 Server. Microsoft Exchange Transport Service as well as the Microsoft Exchange Frontend Transport, Microsoft Exchange Transport Submission, & Microsoft Exchange Transport Delivery services may not start if IPv6 has been unchecked on the NIC adapter of an Exchange 2013 Server. Bb flashback player for macThe article was specifically in relation to NICs connected to your production/public/MAPI networks. However, in my opinion you should have a good reason for doing so (and saying you don’t like IPv6 is NOT a good reason).Lastly, I’d like to add that if you’re utilizing iSCSI on your Exchange server, there should be no issues with unchecking IPv6 on your iSCSI NICs if you choose to do so. I’ve also spoken with a couple Microsoft Support Engineers who have also said that they have personally never seen any issues with disabling it this way with Windows or Exchange. After this point IPv6 should be fully disabled. You basically add a DisabledComponents key to the registry with a value of 8 F’s (ffffffff) & then reboot the server. I was out of the country but somewhere in that time-frame connecting to the Exchange online failed (using Office 365 (Outlook)). Prior to then, everything worked fine. This is an outstanding set up but something happened either in late october or early November of 2016. There’s always people such as myself answering questions on there.I have a subscription to Exchange Online for home use. I can use wireless through Verizon and Touchdown works fine. If I am in my home environment with IPv6 coming through, touchdown will not connect to the online exchange server. If I turn off IPv6 (Windows 10 pro) everything works fine but the same exact problem exists with the Android app, Touchdown (Android version 6 on a Samsung S7). ![]() But I have no way of checking this proprietary software to verify the problem).I know for a fact that the Android problem is IPv6 as well as I can reproduce the problem in other wireless networks that have IPv6 on and those that don’t have IPv6 it connects to Exchange Online just fine.I am convinced this is isolated to a Microsoft Exchange Online issue as all other software works. And to make matters worse, there is yet another piece of software in my home environment that fails to connect as well (I am assuming this is IPv6 as well since it was working fine until something changed in later October/early November 2016 and this software stopped connecting to an “email server” (unable to tell what it is referencing) at the same time Outlook started to fail and Touchdown failed. Touchdown, which also connects to Exchange Online via wireless connection completely bypassing Windows, fails to connect in an IPv6 environment. However, this has NO EFFECT on the ANDROID APPLICATION called Touchdown, which does not use Windows. In other words, disabling IPv6 in Windows 10 allows Outlook to connect to Exchange Online without difficulty. I desperately need helpAnyone anywhere know how to solve this dilemma or how to direct me to the right person?Andrew, thanks ever so much for the response but disabling IPv6 through Windows DOES work just fine FOR THE PC ONLY without changing the registry. Again, is there ANYTHING you can suggest that can help here? Is there ANYTHING that MS did during that timeframe (late Oct/Early November) that might have precipitated this problemAgain any help from anyone with respect to this problem would be much appreciated.
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