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sorry, forgot to paste the article. <a href="http://support.microsoft.com/kb/830189" rel="ugc nofollow">http://support.microsoft.com/kb/830189</a>
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sorry, forgot to paste the article. http://support.microsoft.com/kb/830189 [http://support.microsoft.com/kb/830189]

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Dear Experts,<br />
<br />
we are using Exchange server 2003 with two cluster nodes, recently Exchange MS Search instance service was not restarting, it was effected with viruses and by mistake we deleted the ms serach instance file. due to this reason service &nbsp;was failed,so we deleted the Exchange MS search Instance Service from the Cluster REsource. we have not re-created the Exchange Sreach Instance service after deletion.<br />
<br />
does it effect our exchange cluster or Exchange mails, if we does not Re-Create it, what will be loss \ effect?
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Dear Experts,

we are using Exchange server 2003 with two cluster nodes, recently Exchange MS Search instance service was not restarting, it was effected with viruses and by mistake we deleted the ms serach instance file. due to this reason service  was failed,so we deleted the Exchange MS search Instance Service from the Cluster REsource. we have not re-created the Exchange Sreach Instance service after deletion.

does it effect our exchange cluster or Exchange mails, if we does not Re-Create it, what will be loss \ effect?

Exchange Cluster MS serach Instance deleted

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.