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Albert Widjaja
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MS Exchange ADAccess error logged in Exchange Server 2010

People,

I'm running Exchange Server 2010 SP3 and just recently I noticed that there are multiple error logged since 3-4 months back as follows:

Event ID 2120, 2104, 2604 and 2501 repeatedly.

According to this KB article: https://support.microsoft.com/en-us/kb/2025528 the work around is hard coding the AD Site ?

Why is that needed when the result from the command clearly shows AD Site Data Center which is correct.
ExchangeActive DirectoryWindows Server 2008

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Albert Widjaja

8/22/2022 - Mon
Albert Widjaja

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So after I reboot the HT/CAS server role I am restarting  the “Microsoft Exchange Active Directory Topology” service.

Is there any permanent fix on this issue ?
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Albert Widjaja

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Ah no wonder,

In the past two weeks I have been updating and rebooting my Domain Controllers in the same AD Site as the Exchange Server.

Hence I was wondering ifthis problem is fixed in any SP3 Roll Up if there is any ?
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Albert Widjaja

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@Brain, does this means that I need to upgrade / increase the vRAM and vCPU on the domain controllers VM in the same AD site as the Exchange server ?
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Albert Widjaja

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Hi brain123422,

I've checked that there is no performance contention on the Exchange Server as well as the Domain Controllers in the same AD sites as the Exchange Servers.

So I'm wondering if this is a legitimate issue or not ?
Albert Widjaja

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Thanks for the help !