# RunParallelTests.setup:46 » SessionNotCreated Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure

**URL:** <https://discuss.appium.io/t/runparalleltests-setup-46-sessionnotcreated-could-not-start-a-new-session-possible-causes-are-invalid-address-of-the-remote-server-or-browser-start-up-failure/45998>\
**Category:** Issues/Bugs\
**Created:** [September 15, 2025, 7:36am UTC](https://discuss.appium.io/t/runparalleltests-setup-46-sessionnotcreated-could-not-start-a-new-session-possible-causes-are-invalid-address-of-the-remote-server-or-browser-start-up-failure/45998 "2025-09-15T07:36:05Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![ChaitraM](https://discuss.appium.io/user_avatar/discuss.appium.io/chaitram/32/14329_2.png) [@ChaitraM](https://discuss.appium.io/u/ChaitraM)\
**Post date:** [September 15, 2025, 7:36am UTC](https://discuss.appium.io/t/runparalleltests-setup-46-sessionnotcreated-could-not-start-a-new-session-possible-causes-are-invalid-address-of-the-remote-server-or-browser-start-up-failure/45998/1 "2025-09-15T07:36:05Z")

</div>

Hi,

Hope everyone doing well

During the latest automation execution, I encountered an issue where the Appium session could not be created. Below are the details:

Error Summary:

[**ERROR**] **RunParallelTests.setup:46 » SessionNotCreated Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure.**

**Host info: host: ‘AMACTGW2L3P2W’, ip: ‘2406:7400:98:667a:50de:f901:433a:e152%en0’**

**Build info: version: ‘4.15.0’, revision: ‘1d14b5521b’**

**System info: os.name: ‘Mac OS X’, os.arch: ‘aarch64’, os.version: ‘15.5’, java.version: ‘17.0.15’**

**Driver info: io.appium.java\_client.android.AndroidDriver**

**Command: [null, newSession {desiredCapabilities=Capabilities {appium:app: /Users/chaitra.m.swamy/Docu…, appium:autoGrantPermissions: true, appium:automationName: UiAutomator2, appium:deviceName: Pixel 9 Pro, appium:disableWindowAnimation: true, appium:newCommandTimeout: 300, appium:platformVersion: 15, appium:udid: 4A071FDAP001WM, appium:unlockKey: 5858, appium:unlockType: pin, platformName: ANDROID}, capabilities=[{appium:disableWindowAnimation=true, appium:platformVersion=15, appium:udid=4A071FDAP001WM, appium:unlockType=pin, appium:automationName=UiAutomator2, appium:newCommandTimeout=300, platformName=ANDROID, appium:deviceName=Pixel 9 Pro, appium:autoGrantPermissions=true, appium:unlockKey=5858, appium:app=/Users/chaitra.m.swamy/Documents/GitHub/Business-Mobile-Automation/apps/android/app-debug11220.apk}]}]**

**Capabilities {appium:app: /Users/chaitra.m.swamy/Docu…, appium:autoGrantPermissions: true, appium:automationName: UiAutomator2, appium:deviceName: Pixel 9 Pro, appium:disableWindowAnimation: true, appium:newCommandTimeout: 300, appium:platformVersion: 15, appium:udid: 4A071FDAP001WM, appium:unlockKey: 5858, appium:unlockType: pin, platformName: ANDROID}**

Thanks ,

Chaitra