AADConnect password sync error

So, long time since the last post. Its been a long an very hot summer, and things are starting to turn back to Business as usual Confused smile.

I started up my lap environment, after a good long vacation, and wow and behold…. AADConnect errors Sleepy smile I needed the lab for some testing…. Oh well, time for an article then.

After booting up, and some time to sync, this messages appeared in the O365 portal

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Disappointed smile….. Didn’t make much sense to me… “Last synced 31 minutes ago”, but “warning no recent synchronization” ???

Didn’t spend to much time investigating, figured it had something to do with the whole environment being shutdown for a month, so went straight to try and fix it…My thoughts where, that trying to disable, do a sync and then re-enable password sync, would be a good place to start.

Here we go Open-mouthed smile

Started the AADConnect wizard

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Choose “Configure”, and then “Change user sign-in”

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So, log on with your Tenant global admin cred’s

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Set the option to “Do not configure”

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And then “Configure”. Just to make sure it actually was synchronizing, I ran the PowerShell sync cmdlet

Start-ADSyncSyncCycle -PolicyType delta

After it was successful (Had to run it a couple of times, since the reconfiguration of AADConnect, initiates a Complete sync, which takes some time) I reconfigured AADConnect to again allow password hash sync.

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Enter your O365 tenant credentials if prompted!

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After id was done, I waited a good 5 minutes for the initial sync, and then ran the PowerShell cmdlet again

And the waiting game started. It can take some time for O365 to realize that you actually did something, so after about 15 minutes everything looked fine again.

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Pretty easy fix Smile

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