Hi,

after upgrading to Exchange 2013 CU1, I get the following errors in the eventlog for all Exchange Application pools. These errors show up every 5 to 10 minutes:

A process serving application pool 'MSExchangeECPAppPool' suffered a fatal communication error with the Windows Process Activation Service. The process id was '8068'. The data field contains the error number.

A process serving application pool 'MSExchangeOWAAppPool' suffered a fatal communication error with the Windows Process Activation Service. The process id was '8248'. The data field contains the error number.

A process serving application pool 'MSExchangePowerShellFrontEndAppPool' terminated unexpectedly. The process id was '8652'. The process exit code was '0xffffffff'.

Exchange 2013 CU1 is running on Windows 2012.

Franc.

Hi,

It is a IIS error. Please check the Windows Process Activation service in the Exchange server. Make sure the service is started. 

Please have a try to restart the server then change the issue again.

Hi,

sorry for the late response. Just noticed the update from you, didn't get an e-mail about it... Doesn't help. Service is started, but the application pools keep crashing.

Franc.

Hi,

sorry for the late response. Just noticed the update from you, didn't get an e-mail about it... Doesn't help. Service is started, but the application pools keep crashing.

Franc.

I am also getting this message but under different circumstances.  Rebuilding ECP virtual director doesn't work.

Thanks,

Lucas

I am also getting this message but under different circumstances.  Rebuilding ECP virtual director doesn't work.

Thanks,

Lucas

We are seeing similar behavior.

A process serving application pool 'MSExchangeOWAAppPool' suffered a fatal communication error with the Windows Process Activation Service.

A process serving application pool 'MSExchangeECPAppPool' suffered a fatal communication error with the Windows Process Activation Service.

These are occurring randomly throughout the day.  The service is started.  Can anyone else let me know what to look for? 

Exchange 2013 w CU 6 installed. 

• Edited by wisowebs 13 hours 55 minutes ago

We are seeing similar behavior.

A process serving application pool 'MSExchangeOWAAppPool' suffered a fatal communication error with the Windows Process Activation Service.

A process serving application pool 'MSExchangeECPAppPool' suffered a fatal communication error with the Windows Process Activation Service.

These are occurring randomly throughout the day.  The service is started.  Can anyone else let me know what to look for? 

Exchange 2013 w CU 6 installed. 

• Edited by wisowebs 13 hours 55 minutes ago