SQL connection error

Hi,

We have been facing a issue in SQL connectivity between DMZ to Lan Network.

As Whenever we are trying to connect SQL DB server from Webserver (Located in DMZ) getting below error.
The Semaphore Timeout period has expired.

both server are on Hyper-V fail over cluster.
Mohammed mohammedAsked:
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Pawan KumarDatabase ExpertCommented:
Pls try updating the network drivers.
Mohammed mohammedAuthor Commented:
It's Virtual Machine.
Mohammed mohammedAuthor Commented:
Any one who can help me on above issue.
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