Poor Performance, not sure why?

[Irishkid]

Hello,

 

I have SBS 2008 standard setup as the PDC and the DNS server, I thought it was working ok, but when a workstation joins teh domain it run into performance problems. Normally it hangs at Please wait and when i eventally login (maybe 20 mins) performance is terrible. I have the feeling it it the SBS setup but no idea how to trouble shoot it. On the workstation there are many errors in the even log such as:

 

DCOM got error "1084" attempting to start the ervice....etc

DCOM got error "1068" attempting to start the service....etc

A time out (30000 milliseconds) was reached while waiting for a transaction response from the SysMain service.

This computer was not able to set up a secure session with a domain controller in domain IRIS due to the following: There are currently no logon servers available.

 

I have set the DNS on the workstation to point to the DNS server and the IP comes from DHCp.

 

One thing, if I manually enter the IP address then it logs in pretty quickly, so could be an issue with the dhcp?

 

Thanks

[Irishkid]

Anyone any ideas?