OMG, MSDTC Ran Out of Memory!

Symptom

I opened Component Services and browsed to Computers and My Computer. When I right-click My Computer and click the MSDTC tab I run into an out of memory error message.

Resolution

This is because the registry on your server is pointing to a default DTC that no longer exists. To resolve this problem you need to update the registry with the GUID of the new DTC. To do this follow these steps:

• Open Services.msc and locate your DTC
• Notice that when you open the services properties you will see the GUID of your DTC in the Path to Executable field
  • Document or copy this GUID

 

 

 

 

 

 

 

 

 

 

• Now open regedit
• Browse to HKLM\Cluster\ResourceTypes\Distributed Transaction Coordinator
  • Backup this key
• Edit the Cluster Default Resource property and paste in the GUID you copied from the previous step

 

 

 

• Now attempt to access the MSDTC tab and verify the out of memory error message disappears and that your DTC is now listed under Default DTC.