System.DirectoryServices.DirectoryServicesCOMException exception

Hi, I am having some problem when publishing my website to the server. Below is the error : Exception Details: System.DirectoryServices.DirectoryServicesCOMException: Logon failure: unknown user name or bad password. It works well in my machine but not when published to server. Below is the stack trace : [DirectoryServicesCOMException (0x8007052e): Logon failure: unknown user name or bad password.
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System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail) +377678
System.DirectoryServices.DirectoryEntry.Bind() +36
System.DirectoryServices.DirectoryEntry.get_AdsObject() +31
System.DirectoryServices.DirectorySearcher.FindAll(Boolean findMoreThanOne) +78
System.DirectoryServices.DirectorySearcher.FindOne() +47
CMR_NET.clsSecurity.IsAuthenticated(String sLdapPath, String sUserName, String sPassword) in \\view\ramayac_cmr_view\cmr\CMR-WEB\C ...