SourceOne: Discovery Manager-Error: Unable to connect to Discovery Manager DB

Summary: SourceOne Discovery Manager-Error: Unable to connect to Discovery Manager DB

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Symptoms



When opening Discovery Manager Client the error below is displayed:
 
Unable to connect to Discovery Manager DB

The following errors can be found in the DiscoveryManager.exe.log in the <SourceOne Installation Directory>\Logs folder on the Discovery Manager server:
 
Discovery Collector failed to connect to its data base because: A connection was successfully established with the server, but then an error occurred during the pre-login handshake. (provider: SSL Provider, error: 0 - The wait operation timed out.). (0x86041C00)
 
SQL server database connection lost.  Error: Sql exception: A connection was successfully established with the server, but then an error occurred during the pre-login handshake. (provider: TCP Provider, error: 0 - An existing connection was forcibly closed by the remote host.) (0x86041C02)

Attempting a repair of the following components:
EMC SourceOne WebServices
EMC SourceOne Search
EMC SourceOne Mobile Services
will result in the following error:
Repair wizard error:

The <Webserver name> server was reached but encountered an error. This will prevent retrieval from EMC SourceOne web services and impact product operation. To view and resolve the error, use this link http://<webservername>/ExDominoShortcut/Notes.aspx?getver=1

When accessed via browser, the indicated URL will produce the following error in the Windows Event Viewer Application log:
Log Name:      Application
Source:        Microsoft-Windows-IIS-W3SVC-WP
Date:          
Event ID:      2280
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      
Description: The Module DLL C:\Windows\System32\inetsrv\HipIISEngineStub.dll failed to load.  The data is the error.

Cause

The errors are a result of incorrect virus software configuration for SourceOne compatibility.

Resolution

Add proper exclusions for SourceOne to Anti-Virus as indicated in the SourceOne Email Management Administration Guide section titled
'Configuring antivirus software on an EMC SourceOne Master Server, Worker Server, or Native Archive
Server'
If using McAffee antivirus, this article may be relevant:
https://kc.mcafee.com/corporate/index?page=content&id=KB72677&pmv=print

Affected Products

SourceOne Email Management

Products

SourceOne Discovery Manager, SourceOne Email Management
Article Properties
Article Number: 000053671
Article Type: Solution
Last Modified: 26 May 2025
Version:  7
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