The Enterprise Vault (EV) web server returns "500 - Internal Server Error" if a McAfee application changes vbscript.dll and jscript.dll registries

Problem

Enterprise Vault web pages returns an error "500 - Internal Server Error."

e.g.
When http://<Enterprise Vault Server hostname>/EnterpriseVault/ is accessed, it returns "500 - Internal Server Error"

Error Message

500 - Internal Server Error

Cause

Some McAfee applications install their own jscript.dll and vbscript.dll files and change related registries pointing to these .dll files.

Therefore the OS recognizes incorrect paths to some .dll files. Some of the Enterprise Vault web pages depend on the design of the original (Microsoft's) jscript.dll and vbscript.dll files, and they can't be executed properly by using McAfee's ones.

Symantec doesn't have a complete list of McAfee products /  versions which causes this issue. The issue described as above was reported against McAfee Virus Scan Enterprise (VSE) 8.8 patch 2 and it was fixed in the version 8.8 patch 4.

Solution

1. Uninstall the McAfee application which changes these registries, upgrade the McAfee application which causes the problem to the latest version.

2. If the issue remains (ONLY when the issue remains - the latest installer of McAfee applications MAY correct this problem automatically) after uninstalling or upgrading McAfee applications, the registries shown below need to be corrected Windows Registry Editor (regedit.exe).

Warning: Incorrect use of the Windows registry editor may prevent the operating system from functioning properly. Great care should be taken when making changes to a Windows registry. Registry modifications should only be carried-out by persons experienced in the use of the registry editor application. It is recommended that a complete backup of the registry and workstation be made prior to making any registry changes.

2-1. {7DB2D5A0-7241-4E79-B68D-6309F01C5231}

Delete these entries i f the following ones exist.

HKEY_CLASSES_ROOT\CLSID\{7DB2D5A0-7241-4E79-B68D-6309F01C5231}\
HKEY_CLASSES_ROOT\Wow6432Node\CLSID\{7DB2D5A0-7241-4E79-B68D-6309F01C5231}\
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{7DB2D5A0-7241-4E79-B68D-6309F01C5231}\
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7DB2D5A0-7241-4E79-B68D-6309F01C5231}\

2-2. {B54F3741-5B07-11cf-A4B0-00AA004A55E8}

If any of these InprocServer32 registry values listed as below exists, update the value(s) to the correct path which is the Windows version vbscript.dll file: "C:\Windows\System32\vbscript.dll"

HKEY_CLASSES_ROOT\CLSID\{B54F3741-5B07-11cf-A4B0-00AA004A55E8}\InprocServer32
HKEY_CLASSES_ROOT\Wow6432Node\CLSID\{B54F3741-5B07-11cf-A4B0-00AA004A55E8}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{B54F3741-5B07-11cf-A4B0-00AA004A55E8}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B54F3741-5B07-11cf-A4B0-00AA004A55E8}\InprocServer32

2-3. {f414c260-6ac0-11cf-b6d1-00aa00bbbb58}

If any of these InprocServer32 registry values listed as below exists, update the value(s) to the correct path which is  the Windows version jscript.dll file: "C:\Windows\System32\jscript.dll"

HKEY_CLASSES_ROOT\CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32
HKEY_CLASSES_ROOT\Wow6432Node\CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32

2-4. {16d51579-a30b-4c8b-a276-0ff4dc41e755

If any of these InprocServer32 registry values listed as below exists, update the value(s) to the correct path which is  the Windows version jscript9.dll file: "C:\Windows\System32\jscript9.dll"

HKEY_CLASSES_ROOT\CLSID\{16d51579-a30b-4c8b-a276-0ff4dc41e755}\InprocServer32
HKEY_CLASSES_ROOT\Wow6432Node\CLSID\{16d51579-a30b-4c8b-a276-0ff4dc41e755}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{16d51579-a30b-4c8b-a276-0ff4dc41e755}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{16d51579-a30b-4c8b-a276-0ff4dc41e755}\InprocServer32

Applies To

One or more McAfee applications are installed on the Enterprise Vault server.