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pramod1
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exchange 2010, Active directory

I am getting error on my exchange server -HIGH LDAP search time .sustained for 2 minutes .yellow (>100 milliseconds)

what should I do, should I ignore
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Scott C

8/22/2022 - Mon
Will Szymkowski

Did this event just start happening? How many DC do you have in the site where Exchange is hosted? Basically it is stating that it cannot keep up to the queries that users are requesting. I would check to see what your DC are doing and make sure that they have available resources as well (CPU and memory). You should also check and make sure the you network latency is also good.

Checking DC replication also wouldn't hurt. Probably not a good idea to just let this go. Are your clients complaining?

Will.
pramod1

ASKER
this error was generated 3 hrs back and is from exchange relay server
pramod1

ASKER
how do I check network latency
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rwheeler23
Will Szymkowski

A simple ping can show the network latency. You can also use pathping as well.

I personally think it is to do with the resources on the DC's

Will.
pramod1

ASKER
what should be ldap normal search time
pramod1

ASKER
as I did tracert to google.com , all hops show less than 30 ms
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pramod1

ASKER
what should be ldap normal search time , all dc are in site
pramod1

ASKER
if tracert  is less than 25ms , what should be the ldap search time?
Will Szymkowski

you get 25ms on the same LAN? That seems high.

Or is this over a MPLS or IPSec VPN?

What about the resources on the DC's?

Will.
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Scott C

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pramod1

ASKER
tracert to google  took less than 10ms
Scott C

Just saw you accepted my solution.

Glad to have been able to help you so quickly.

When I was an Exchange Escalation engineer for MS this was the first thing we did when seeing high LDAP times.