Timed out waiting for extension validation to be performed. Try again later.

[DJM0502]

Installed product versions

• Export/Import Buid Definition extension: [example 0.0.2

Description

Timed out waiting for extension validation to be performed. Try again later.

Steps to recreate

when using onpremise tfs 2015 update3

Current behavior

install option is not coming it get upload with error as timed out

Expected behavior

Explain what it should be doing after it's fixed.