License Issue with Parallel Toolbox

I am trying to put our new parallel toolbox to work but I get the following error:

poolobj = parpool;

Starting parallel pool (parpool) using the 'local' profile ...

License checkout failed.

License Manager Error -5

Cannot find a license for Distrib_Computing_Toolbox.

Troubleshoot this issue by visiting:

https://www.mathworks.com/support/lme/R2019a/5

Diagnostic Information:

Feature: Distrib_Computing_Toolbox

License path: C:\Users\Holographers\AppData\Roaming\MathWorks\MATLAB\R2019a_licenses;C:\Program Files\MATLAB\R2019a\licenses\license.dat;C:\Program Files\MATLAB\R2019a\licenses\network.lic;C:\Program Files\MATLAB\R2019a\licenses\trial_6141000_R2019a.lic

Licensing error: -5,147.

Error using parpool (line 113)

Unable to checkout a license for the Parallel Computing Toolbox.

The License file contains:

INCREMENT Distrib_Computing_Toolbox MLM 41 01-jan-0000 1 \

6EBE1B5A9556DC5A169D \

VENDOR_STRING=vi=0:at=200:ae=1:lu=200:lo=CN:ei=1339509:lr=1:ep=15: \

DUP_GROUP=UH asset_info=711213 ISSUED=26-Jun-2019 \

NOTICE="product=Parallel Computing Toolbox" SN=711213 \

SIGN="0086 9C1F 535D 57C0 8980 01F9 3670 8B00 7B2E D40F 29D1 \

2538 BBD8 BE83 4D1B"

Answer 1

[Tukhtamurod Juraev]

While i am doing iactivate i am recieving error

licience manager -5,347

how can i fix it ?

[Walter Roberson]

https://www.mathworks.com/matlabcentral/answers/98719-why-do-i-receive-license-manager-error-5

You are trying to use a product that you are not licensed for in your license files.