How to disable Parallel Processing for OpenLynx / OALogin - WKB17597

OBJECTIVE or GOAL

Disable parallel processing on a PC—using a registry edit.
Required after error seen: ​​​​" *report name*.rpt was not found"

NOTE: registry changes should only be made by suitably trained personnel. All local SOPs must be followed.

ENVIRONMENT

• MassLynx
• OALogin
• OpenLynx

PROCEDURE

Disable parallel processing using the following registry edit.
Note: Always consult user SOPs before modifying the registry.
Note: For Windows 10 PCs ensure the registry change described in article wkb239714 is performed before installing / changing any software

For Windows 10 and Windows 7:  

1. Close MassLynx and any related applications.
2. Create two new registry keys to disable parallel processing as described below.
    
3. Open the Registry Editor (either search for or browse to regedit.exe).
4. Browse to HKEY_LOCAL_MACHINE\SOFTWARE.
5. Create a new Key called Micromass:
6. Click Edit > New > Key.
7. Type Micromass to name the new key.
8. Create a new DWORD (32 bit) value:
9. Click on the new Micromass key, and then click Edit > New > DWORD (32 bit) value.
10. Rename this to DisableParallelProcessing.
11. Right-click on the DisableParallelProcessing entry and select Modify…
12. Change Value data from 0 to 1 and click OK.
     
13. Browse to HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Micromass\MassLynx and create the same DWORD DisableParallelProcessing key here.
    Note: if a DisableParallelProcessing key already exists but is type REG_SZ then delete this key (Edit > Delete) and create a new DWORD key as below.
14. Click MassLynx, and then click Edit > New > DWORD (32 bit) value.
15. Rename this to DisableParallelProcessing.
16. Right-click on DisableParallelProcessing and select Modify…
17. Change Value data from 0 to 1.
18. Click OK.
19. Close the Registry Editor and restart MassLynx.

ADDITIONAL INFORMATION