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Title
Error: "Connection.Open:" - Unknown error 0x800A0E7A "ADODB.Connection Provider cannot be found" -
Description
The following error can be observed in the .WLOG file for either the Exchange Store manager service or the Data Load service:
ERROR: Connection.Open:
Source: ADODB.Connection
Description: Provider cannot be found. It may not be properly installed.
Message: Unknown error 0x800A0E7A
Error 800A0E7A -
Cause
The SQL 2005 Native Client is required to run Archive Manager, it is either not installed or needs to be reinstalled.
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Resolution
Install the SQL 2005 Native Client on the Server running Archive Manager.
The SQL 2005 Native Client can be downloaded from 1 of the following links: