TMS RFC communications error with system/destination

Issue:

We have successfully included into the domain controller. But unfortunately we are not able to import the transports because the Current system host is unknown.

Error log:

RFC communications error with system/destination %%ashost=XYZ,sysnr=,lang=E,client=000,pcs=2,
Message no. XT101

Diagnosis
An RFC error occurred in the TMS communications layer.

Target system: XYZ.DOMAIN_ZYX(000)
Function: TMS_TP_MAINTAIN_BUFFER
RFC message: RFC destination %%ashost=VARTGTADB,sysnr=,lang=E,c

System Response
The function terminates.

Procedure
Correct the error and execute the command again.

Solution:

We have found one SAP note and resolved it with option 2. PFB for your quick reference.

1888279 – RFC communications error with system/destination

Please let me know if any further clarification.

Regards,

Sabarish Vasudevan